California by city

[HAnnA MArin County]

I've crunched most of the numbers for the cities in Alameda County. I have yet to crunch Fremont, Hayward, and Oakland (I plan to do this tonight at work, assuming it's a slow night, so stay tuned) and I cannot find the results for Emeryville, but here's what I have for the rest of the county (again, write-ins included in both 2016 and 2020).

ALAMEDA COUNTY
Alameda
2016: Clinton 79.43% — Trump 13.27% = D+ 66.16
2020: Biden 82.91% — Trump 14.99% = D+ 67.92
SWING: D+ 01.76

Albany
2016: Clinton 86.47% — Trump 6.24% = D+ 80.23
2020: Biden 90.49% — Trump 7.59% = D+ 82.90
SWING: D+ 02.67

Berkeley
2016: Clinton 89.09% — Trump 3.13% = D+ 85.96*
2020: Biden 93.73% — Trump 3.99% = D+ 89.74
SWING: D+ 03.78
_{*Jill Stein finished with 4.55% in second place ahead of Trump ("Sad!"), but used the D-R margin to keep the swings intact}

Dublin
2016: Clinton 67.82% — Trump 24.12% = D+ 43.70
2020: Biden 72.84% — Trump 25.31% = D+ 47.53
SWING: D+ 03.83

Emeryville
2016: Clinton 86.97% — Trump 5.89% = D+ 81.08
2020: TBD
SWING: TBD

Fremont
2016: Clinton 72.00% — Trump 21.08% = D+ 50.92
2020: TBD
SWING: TBD

Hayward
2016: Clinton 78.40% — Trump 15.05% = D+ 63.35
2020: TBD
SWING: TBD

Livermore
2016: Clinton 55.73% — Trump 34.31% = D+ 21.42
2020: Biden 62.33% — Trump 35.18% = D+ 27.15
SWING: D+ 05.73

Newark
2016: Clinton 72.38% — Trump 20.59% = D+ 51.79
2020: Biden 73.41% — Trump 24.79% = D+ 48.62
SWING: R+ 03.17

Oakland
2016: Clinton 88.03% — Trump 4.69% = D+ 83.34
2020: TBD
SWING: TBD

Piedmont
2016: Clinton 82.29% — Trump 11.26% = D+ 71.03
2020: Biden 87.69% — Trump 10.61% = D+ 77.08
SWING: D+ 06.05

Pleasanton
2016: Clinton 61.75% — Trump 29.71% = D+ 32.04
2020: Biden 68.44% — Trump 29.29% = D+ 39.15
SWING: D+ 07.11

San Leandro
2016: Clinton 77.25% — Trump 16.19% = D+ 61.06
2020: Biden 77.14% — Trump 20.88% = D+ 56.26
SWING: R+ 04.80

Union City
2016: Clinton 77.94% — Trump 16.57% = D+ 61.37
2020: Biden 75.35% — Trump 22.96% = D+ 52.39
SWING: R+ 08.98

[HAnnA MArin County]

BUTTE COUNTY (Write-ins included in final percentages for both 2016 and 2020)
Biggs
2016: Trump 57.67% — Clinton 35.67% = R+ 22.00
2020: Trump 61.54% — Biden 36.25% = R+ 25.29
SWING: R+ 03.29

Chico
2016: Clinton 54.68% — Trump 32.85% = D+ 21.83   
2020: Biden 61.89% — Trump 34.96% = D+ 26.93
SWING: D+ 05.10

Gridley
2016: Trump 47.03% — Clinton 44.25% = R+ 02.78 
2020: Trump 51.13% — Biden 46.50% = R+ 04.63
SWING: R+ 01.85

Oroville
2016: Trump 53.47% — Clinton 36.76% = R+ 16.71 
2020: Trump 56.42% — Biden 40.39% = R+ 16.03
SWING: D+ 00.68

Paradise
2016: Trump 53.10% — Clinton 36.90% = R+ 16.20 
2020: Trump 59.61% — Biden 37.58% = R+ 22.03
SWING: R+ 05.38

[HAnnA MArin County]

MODOC COUNTY (Write-ins included in final percentages for both 2012 and 2016)
Alturas
2016: Trump 65.56% — Clinton 26.18% = R+ 39.38
2020: Trump 65.71% — Biden 30.66% = R+ 35.05
SWING: D+ 04.33
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MONTEREY COUNTY (Write-ins included in final percentages for both 2012 and 2016)
Carmel-by-the-Sea
2016: Clinton 62.93% — Trump 30.08% = D+ 32.85  
2020: Biden 68.64% — Trump 29.65% = D+ 38.99
SWING: D+ 06.14

Del Rey Oaks
2016: Clinton 63.97% — Trump 27.83% = D+ 36.14  
2020: Biden 66.45% — Trump 31.26% = D+ 35.19
SWING: R+ 00.95

Gonzales
2016: Clinton 78.89% — Trump 15.92% = D+ 62.97  
2020: Biden 74.61% — Trump 23.23% = D+ 51.38
SWING: R+ 11.59

Greenfield
2016: Clinton 79.62% — Trump 14.25% = D+ 65.37  
2020: Biden 78.98% — Trump 18.55% = D+ 60.43
SWING: R+ 04.94

King City
2016: Clinton 68.74% — Trump 24.47% = D+ 44.27  
2020: Biden 66.81% — Trump 30.51% = D+ 36.30
SWING: R+ 07.97

Marina
2016: Clinton 66.35% — Trump 25.68% = D+ 40.67  
2020: Biden 69.94% — Trump 27.28% = D+ 42.66
SWING: D+ 01.99

Monterey
2016: Clinton 68.36% — Trump 24.08% = D+ 44.28  
2020: Biden 72.84% — Trump 24.79% = D+ 48.05
SWING: D+ 03.77

Pacific Grove
2016: Clinton 70.83% — Trump 22.05% = D+ 48.78  
2020: Biden 76.39% — Trump 21.63% = D+ 54.76
SWING: D+ 05.98

Salinas
2016: Clinton 71.71% — Trump 21.69% = D+ 50.02  
2020: Biden 72.53% — Trump 25.39% = D+ 47.14
SWING: R+ 02.88

Sand City
2016: Clinton 58.49% — Trump 27.67% = D+ 30.82  
2020: Biden 62.50% — Trump 33.50% = D+ 29.00
SWING: R+ 01.82

Seaside
2016: Clinton 71.09% — Trump 21.11% = D+ 49.98  
2020: Biden 73.21% — Trump 24.10% = D+ 49.11
SWING: R+ 00.87

Soledad
2016: Clinton 79.09% — Trump 14.18% = D+ 64.91  
2020: Biden 75.69% — Trump 21.97% = D+ 53.72
SWING: R+ 11.19

Another county sweep for Joe Biden in Monterey!

[HAnnA MArin County]

NAPA COUNTY (Write-ins included in final percentages for both 2016 and 2020)
American Canyon
2016: Clinton 70.70% — Trump 22.52% = D+ 48.18
2020: Biden 71.38% — Trump 26.65% = D+ 44.73
SWING: R+ 03.45

Calistoga
2016: Clinton 71.71% — Trump 20.98% = D+ 50.73
2020: Biden 77.53% — Trump 20.24% = D+ 57.29
SWING: D+ 06.56

Napa
2016: Clinton 64.45% — Trump 27.77% = D+ 36.68
2020: Biden 70.09% — Trump 27.56% = D+ 42.53
SWING: D+ 05.85

St. Helena
2016: Clinton 70.00% — Trump 23.14% = D+ 46.86
2020: Biden 75.21% — Trump 22.76% = D+ 52.45
SWING: D+ 05.59

Yountville
2016: Clinton 65.25% — Trump 29.02% = D+ 36.23
2020: Biden 69.73% — Trump 28.87% = D+ 40.86
SWING: D+ 04.63
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PLACER COUNTY (Write-ins included in final percentages for 2012, 2016, and 2020)
Auburn
2012: Romney 50.90% — Obama 45.17% = R+ 05.73
2016: Clinton 45.65% — Trump 43.28% = D+ 02.37
2020: Biden 51.59% — Trump 45.64% = D+ 05.95
SWING (12-16): D+ 08.10
SWING (16-20): D+ 03.58

Colfax
2012: Romney 53.92% — Obama 41.37% = R+ 12.55
2016: Trump 52.87% — Clinton 36.14% = R+ 16.73
2020: Trump 52.49% — Biden 44.35% = R+ 08.14
SWING (12-16): R+ 04.18
SWING (16-20): D+ 08.59

Lincoln
2012: Romney 59.80% — Obama 37.94% = R+ 21.86
2016: Trump 53.88% — Clinton 38.27% = R+ 15.61
2020: Trump 54.38% — Biden 43.55% = R+ 10.83
SWING (12-16): D+ 06.25
SWING (16-20): D+ 04.78

Loomis
2012: Romney 65.13% — Obama 31.13% = R+ 34.00
2016: Trump 59.10% — Clinton 29.74% = R+ 29.36
2020: Trump 62.47% — Biden 34.70% = R+ 27.77
SWING (12-16): D+ 04.64
SWING (16-20): D+ 01.59

Rocklin
2012: Romney 58.75% — Obama 38.26% = R+ 20.49
2016: Trump 50.01% — Clinton 39.56% = R+ 10.45
2020: Trump 51.14% — Biden 46.25% = R+ 04.89
SWING (12-16): D+ 10.04
SWING (16-20): D+ 05.56

Roseville
2012: Romney 56.57% — Obama 40.77% = R+ 15.80
2016: Trump 48.71% — Clinton 42.03% = R+ 06.68
2020: Trump 49.49% — Biden 48.09% = R+ 01.40
SWING (12-16): D+ 09.12
SWING (16-20): D+ 05.28

[HAnnA MArin County]

SAN LUIS OBISPO COUNTY (Write-ins included in final percentages for 2012, 2016, and 2020)
Arroyo Grande
2012: Romney 50.90% — Obama 45.89% = R+ 05.01
2016: Clinton 45.86% — Trump 42.98% = D+ 02.88
2020: Biden 54.32% — Trump 42.93% = D+ 11.39
SWING (12-16): D+ 07.89
SWING (16-20): D+ 08.51

Atascadero
2012: Romney 51.75% — Obama 44.13% = R+ 07.62
2016: Trump 46.66% — Clinton 42.49% = R+ 04.17
2020: Biden 49.37% — Trump 47.87% = D+ 01.50
SWING (12-16): D+ 03.45
SWING (16-20): D+ 05.67

El Paso de Robles
2012: Romney 55.89% — Obama 41.25% = R+ 14.64
2016: Trump 49.76% — Clinton 40.97% = R+ 08.79
2020: Trump 49.92% — Biden 47.68% = R+ 02.24
SWING (12-16): D+ 05.85
SWING (16-20): D+ 06.55

Grover Beach
2012: Obama 51.36% — Romney 44.27% = D+ 07.09
2016: Clinton 49.16% — Trump 39.38% = D+ 09.78
2020: Biden 54.44% — Trump 43.13% = D+ 11.31
SWING (12-16): D+ 02.69
SWING (16-20): D+ 01.53

Morro Bay
2012: Obama 57.59% — Romney 38.20% = D+ 19.39
2016: Clinton 55.60% — Trump 35.18% = D+ 20.42
2020: Biden 63.19% — Trump 34.64% = D+ 28.55
SWING (12-16): D+ 01.03
SWING (16-20): D+ 08.13

Pismo Beach
2012: Romney 49.91% — Obama 47.10% = R+ 02.81
2016: Clinton 48.00% — Trump 43.59% = D+ 04.41
2020: Biden 53.29% — Trump 44.70% = D+ 08.59
SWING (12-16): D+ 07.22
SWING (16-20): D+ 04.18

San Luis Obispo
2012: Obama 63.21% — Romney 31.85% = D+ 31.36
2016: Clinton 66.09% — Trump 21.65% = D+ 44.44
2020: Biden 74.84% — Trump 22.26% = D+ 52.58
SWING (12-16): D+ 13.08
SWING (16-20): D+ 08.14

..an almost county sweep for Uncle Joe in SLO! Ugh, maybe in 2024 we can flip the last red/Atlas blue domino left standing here. "We'll see what happens."

[HAnnA MArin County]

This will be my last big batch of results posted in this thread for awhile. Gotta try to get some sleep before work tonight, but wanted to share this last one with you all as Joseph Robinette Biden, Jr., made history here.  

SANTA BARBARA COUNTY (Write-ins included in final percentages for 2012, 2016, and 2020)
Buellton
2012: Romney 50.90% — Obama 45.64% = R+ 05.26
2016: Clinton 46.25% — Trump 44.55% = D+ 01.70
2020: Biden 54.92% — Trump 41.96% = D+ 12.96
SWING (12-16): D+ 06.96
SWING (16-20): D+ 11.26

Carpinteria
2012: Obama 64.13% — Romney 32.73% = D+ 31.40
2016: Clinton 65.97% — Trump 25.25% = D+ 40.42
2020: Biden 71.62% — Trump 25.65% = D+ 45.97
SWING (12-16): D+ 09.02
SWING (16-20): D+ 05.55

Goleta
2012: Obama 61.77% — Romney 34.54% = D+ 27.23
2016: Clinton 65.13% — Trump 25.93% = D+ 39.20
2020: Biden 71.62% — Trump 25.34% = D+ 46.28
SWING (12-16): D+ 11.97
SWING (16-20): D+ 07.08

Guadalupe
2012: Obama 73.28% — Romney 23.99% = D+ 49.29
2016: Clinton 71.40% — Trump 21.11% = D+ 50.29
2020: Biden 66.83% — Trump 29.88% = D+ 36.95
SWING (12-16): D+ 01.00
SWING (16-20): R+ 13.34

Lompoc
2012: Obama 50.81% — Romney 45.96% = D+ 04.85
2016: Clinton 50.65% — Trump 39.95% = D+ 10.70
2020: Biden 56.14% — Trump 40.64% = D+ 15.50
SWING (12-16): D+ 05.85
SWING (16-20): D+ 04.80

Santa Barbara
2012: Obama 71.14% — Romney 25.59% = D+ 45.55
2016: Clinton 73.14% — Trump 18.50% = D+ 54.64
2020: Biden 78.81% — Trump 18.65% = D+ 60.16
SWING (12-16): D+ 09.09
SWING (16-20): D+ 05.52

Santa Maria
2012: Obama 51.47% — Romney 46.04% = D+ 05.43
2016: Clinton 54.77% — Trump 37.90% = D+ 16.87
2020: Biden 56.85% — Trump 40.50% = D+ 16.35
SWING (12-16): D+ 11.44
SWING (16-20): R+ 00.52

Solvang
2012: Romney 55.31% — Obama 42.38% = R+ 12.93
2016: Trump 46.55% — Clinton 45.37% = R+ 01.18
2020: Biden 53.05% — Trump 44.19% = D+ 08.86
SWING (12-16): D+ 11.75
SWING (16-20): D+ 10.04
^{For the first time since its incorporation, Solvang has voted for a Democrat for President. Since 1988, every Republican presidential nominee has carried this city. Another engraving on Donald Trump's political tombstone is that he will become the first Republican to lose Solvang, California and lose every incorporated municipality in Santa Barbara County. What a great honor, Donnie! So. Much. Winning!}

Put Santa Barbara County in the column for BIDEN COUNTY SWEEPS! #SantaBarbaraBiden

[HAnnA MArin County]

CONTRA COSTA COUNTY (Write-ins included in final percentages for 2016 and 2020)

Antioch
2016: Clinton 68.25% — Trump 24.52% = D+ 43.73
2020: Biden 71.69% — Trump 26.20% = D+ 45.49
SWING: D+ 01.76

Brentwood
2016: Clinton 52.37% — Trump 39.21% = D+ 13.16
2020: Biden 57.77% — Trump 40.11% = D+ 17.66
SWING: D+ 04.50

Clayton
2016: Clinton 52.94% — Trump 37.50% = D+ 15.44
2020: Biden 60.19% — Trump 37.67% = D+ 22.52
SWING: D+ 07.08

Concord
2016: Clinton 64.35% — Trump 26.76% = D+ 37.59
2020: Biden 69.47% — Trump 28.06% = D+ 41.41
SWING: D+ 03.82

Danville
2016: Clinton 56.91% — Trump 34.06% = D+ 22.85
2020: Biden 63.38% — Trump 34.62% = D+ 28.76
SWING: D+ 05.91

El Cerrito
2016: Clinton 85.06% — Trump 7.66% = D+ 77.40
2020: Biden 88.85% — Trump 9.35% = D+ 79.50
SWING: D+ 02.10

Hercules
2016: Clinton 78.97% — Trump 15.58% = D+ 63.39
2020: Biden 78.50% — Trump 20.11% = D+ 58.39
SWING: R+ 05.00

Lafayette
2016: Clinton 70.18% — Trump 20.60% = D+ 49.58
2020: Biden 76.63% — Trump 21.10% = D+ 55.53
SWING: D+ 05.95

Martinez
2016: Clinton 63.86% — Trump 26.70% = D+ 37.16
2020: Biden 69.42% — Trump 27.96% = D+ 41.46
SWING: D+ 04.30

Moraga
2016: Clinton 67.25% — Trump 22.94% = D+ 44.31
2020: Biden 75.50% — Trump 22.24% = D+ 53.26
SWING: D+ 08.95

Oakley
2016: Clinton 54.87% — Trump 36.27% = D+ 18.60
2020: Biden 57.80% — Trump 39.75% = D+ 18.05
SWING: R+ 00.55

Orinda
2016: Clinton 72.25% — Trump 19.38% = D+ 52.87
2020: Biden 78.77% — Trump 19.33% = D+ 59.44
SWING: D+ 06.57

Pinole
2016: Clinton 73.83% — Trump 20.00% = D+ 53.83
2020: Biden 75.93% — Trump 22.28% = D+ 53.65
SWING: R+ 00.18

Pittsburg
2016: Clinton 75.87% — Trump 17.84% = D+ 58.03
2020: Biden 76.41% — Trump 21.55% = D+ 54.86
SWING: R+ 03.17

Pleasant Hill
2016: Clinton 67.80% — Trump 22.82% = D+ 44.98
2020: Biden 72.94% — Trump 24.62% = D+ 48.32
SWING: D+ 03.34

Richmond
2016: Clinton 85.76% — Trump 7.94% = D+ 77.82
2020: Biden 87.04% — Trump 11.13% = D+ 75.91
SWING: R+ 01.91

San Pablo
2016: Clinton 86.35% — Trump 7.97% = D+ 78.38
2020: Biden 83.83% — Trump 14.24% = D+ 69.59
SWING: R+ 08.79

San Ramon
2016: Clinton 65.40% — Trump 27.05% = D+ 38.35
2020: Biden 70.42% — Trump 27.68% = D+ 42.74
SWING: D+ 04.39

Walnut Creek
2016: Clinton 68.02% — Trump 24.00% = D+ 44.02
2020: Biden 74.00% — Trump 24.23% = D+ 49.77
SWING: D+ 05.75

Fourth consecutive county sweep for Democrats in Contra Costa County as no Republican presidential nominee has won a city here since 2004 when George W. Bush carried Brentwood, Clayton, and Danville.

[HAnnA MArin County]

Sacramento County would be interesting.  I gather Trump won Citrus Heights and unincorporated while Biden everything else so interesting to see that one.  Marin and Santa Cruz counties I am assuming are all Biden blowouts.

Here are the official results for Sacramento County. I didn't include the swings since write-in votes were not made available by city in 2016 (and there were a lot here; write-ins made up 1.72% of the final countywide vote in 2016), so take the 2016 results with a grain of salt. Write-ins ARE, however, included in the 2020 final percentages.

SACRAMENTO COUNTY
Citrus Heights
2016: Trump 50.56% — Clinton 42.12% = R+ 08.44
2020: Trump 50.89% — Biden 46.19% = R+ 04.70

Elk Grove
2016: Clinton 60.69% — Trump 33.49% = D+ 27.20
2020: Biden 62.50% — Trump 35.42% = D+ 27.08

Folsom
2016: Clinton 46.59% — Trump 46.09% = D+ 00.50
2020: Biden 52.17% — Trump 45.25% = D+ 06.92

Galt
2016: Trump 50.44% — Clinton 42.76% = R+ 07.68
2020: Trump 53.17% — Biden 44.02% = R+ 09.15

Isleton
2016: Clinton 55.29% — Trump 37.25% = D+ 18.04
2020: Biden 49.53% — Trump 47.04% = D+ 02.49

Rancho Cordova
2016: Clinton 53.98% — Trump 38.31% = D+ 15.67
2020: Biden 56.17% — Trump 41.12% = D+ 15.05

Sacramento
2016: Clinton 73.82% — Trump 20.01% = D+ 53.81
2020: Biden 75.09% — Trump 22.44% = D+ 52.65

[HAnnA MArin County]

Mileslunn, here is Santa Cruz County for you write-ins by city in 2016 were fortunately made available here, so the swings are more accurate.

SANTA CRUZ COUNTY
Capitola
2016: Clinton 72.96% — Trump 18.88% = D+ 54.08
2020: Biden 77.01% — Trump 20.01% = D+ 57.00
SWING: D+ 02.92

Santa Cruz
2016: Clinton 81.31% — Trump 9.66% = D+ 71.65
2020: Biden 85.92% — Trump 10.88% = D+ 75.04
SWING: D+ 03.39

Scotts Valley
2016: Clinton 63.52% — Trump 27.38% = D+ 36.14
2020: Biden 70.42% — Trump 26.31% = D+ 44.11
SWING: D+ 07.97

Watsonville
2016: Clinton 80.78% — Trump 13.60% = D+ 67.18
2020: Biden 80.69% — Trump 17.19% = D+ 63.50
SWING: R+ 03.68

[HAnnA MArin County]

HUMBOLDT COUNTY (Write-ins included in the final percentages for 2012, 2016, and 2020)

Arcata
2012: Obama 75.15% — Romney 12.43% = D+ 62.72
2016: Clinton 71.29% — Trump 11.67% = D+ 59.62
2020: Biden 84.46% — Trump 11.62% = D+ 72.84
SWING (12-16): R+ 03.10
SWING (16-20): D+ 13.22

Blue Lake
2012: Obama 64.11% — Romney 26.80% = D+ 37.31
2016: Clinton 60.51% — Trump 24.62% = D+ 35.89
2020: Biden 73.64% — Trump 23.64% = D+ 50.00
SWING (12-16): R+ 01.42
SWING (16-20): D+ 14.11

Eureka
2012: Obama 61.98% — Romney 31.18% = D+ 30.80
2016: Clinton 57.58% — Trump 28.38% = D+ 29.20
2020: Biden 69.03% — Trump 27.67% = D+ 41.36
SWING (12-16): R+ 01.60
SWING (16-20): D+ 12.16

Ferndale
2012: Obama 52.56% — Romney 43.85% = D+ 08.71
2016: Clinton 48.38% — Trump 40.70% = D+ 07.68
2020: Biden 52.20% — Trump 45.02% = D+ 07.18
SWING (12-16): R+ 01.03
SWING (16-20): R+ 00.50

Fortuna
2012: Romney 50.46% — Obama 45.62% = R+ 04.84
2016: Trump 48.75% — Clinton 40.10% = R+ 08.65
2020: Trump 51.25% — Biden 45.25% = R+ 06.00
SWING (12-16): R+ 03.81
SWING (16-20): D+ 02.65

Rio Dell
2012: Romney 49.14% — Obama 45.72% = R+ 03.42
2016: Trump 49.60% — Clinton 36.46% = R+ 13.14
2020: Trump 56.23% — Biden 40.76% = R+ 15.47
SWING (12-16): R+ 09.72
SWING (16-20): R+ 02.33

Trinidad
2012: Obama 75.57% — Romney 19.00% = D+ 56.57
2016: Clinton 69.72% — Trump 17.43% = D+ 52.29
2020: Biden 80.45% — Trump 16.92% = D+ 63.53
SWING (12-16): R+ 04.28
SWING (16-20): D+ 11.24

[HAnnA MArin County]

KERN COUNTY (Write-ins included in final percentages for both 2016 and 2020)

Arvin
2016: Clinton 79.55% — Trump 15.43% = D+ 64.12
2020: Biden 74.39% — Trump 23.27% = D+ 51.12
SWING: R+ 13.00

Bakersfield
2016: Trump 49.99% — Clinton 43.68% = R+ 06.31
2020: Trump 50.41% — Biden 47.25% = R+ 03.16
SWING: D+ 03.15

California City
2016: Trump 54.81% — Clinton 37.85% = R+ 16.96
2020: Trump 50.56% — Biden 46.52% = R+ 04.04
SWING: D+ 12.92

Delano
2016: Clinton 75.52% — Trump 19.50% = D+ 56.02
2020: Biden 67.89% — Trump 30.29% = D+ 37.60
SWING: R+ 18.42

Maricopa
2016: Trump 82.02% — Clinton 11.67% = R+ 70.35
2020: Trump 80.10% — Biden 17.80% = R+ 62.30
SWING: D+ 08.05

McFarland
2016: Clinton 76.34% — Trump 17.39% = D+ 58.95
2020: Biden 71.42% — Trump 25.96% = D+ 45.46
SWING: R+ 13.49

Ridgecrest
2016: Trump 59.25% — Clinton 29.47% = R+ 29.78
2020: Trump 59.90% — Biden 35.49% = R+ 24.41
SWING: D+ 05.37

Shafter
2016: Clinton 53.64% — Trump 40.64% = D+ 13.00
2020: Biden 49.53% — Trump 48.42% = D+ 01.11
SWING: R+ 11.89

Taft
2016: Trump 79.96% — Clinton 16.81% = R+ 63.15
2020: Trump 79.46% — Biden 18.45% = R+ 61.01
SWING: D+ 02.14

Tehachapi
2016: Trump 62.48% — Clinton 28.65% = R+ 33.83
2020: Trump 63.15% — Biden 33.98% = R+ 29.17
SWING: D+ 04.66

Wasco
2016: Clinton 60.67% — Trump 31.75% = D+ 28.92
2020: Biden 56.57% — Trump 41.03% = D+ 15.54
SWING: R+ 13.38

- - - - - - - - - - - - - - - -
*Note: Jo Jorgensen received an usually high 3.46% of the vote in Ridgecrest. I think I saw somewhere that this city was also Gary Johnson's best city in California in 2016 (he got 7.36% of the vote here). Anyone know anything about this place and its libertarian penchant?

[HAnnA MArin County]

Los Angeles County, CA results (by city)
                        Biden        Trump
Beverly Hills   55.07%   43.86%   -19.97%

Dear Lord, what happened here?! Beverly Hills is like the epitome of the white latte liberal city that generally swung to Biden this year. I remember it swinging pretty Republican in 2008 and 2012 but then it swung pretty hard to Hillary in 2016, now only to swing against Biden pretty substantially. What the heck is going on in 90210?!

[HAnnA MArin County]

It's interesting how "compressed" the results are despite Biden getting over 70% in LA County, with very few cities being above the 80% mark for Biden and none above 90%.

That one really surprised me. At the very least, you'd expect Biden to crack 90% in West Hollywood. Must be the Russian community.

..there's a Russian community in WeHo? Interesting. Wonder how many of the gays there have TrumPutin fantasies, ha. Hillary only cracked >90% in Compton and Inglewood in LA County in 2016.

Speaking of Compton, I see where somebody has already updated their Wikipedia page:
"Compton is one of the most consistently Democratic cities in California's political history. From 1976-2016, no Democrat received less than 90% of the vote in a presidential election. In 2020, Joe Biden won Compton with 86.58% of the vote, the worst showing for a Democratic nominee since George McGovern."

That's upsetting but if winning with 86.58% of the vote is the worst showing, I'd say that's nothing to be ashamed of.

[HAnnA MArin County]

Sacramento
2016: Clinton 73.82% — Trump 20.01% = D+ 53.81
2020: Biden 75.09% — Trump 22.44% = D+ 52.65

To calculate for another thread what was Sacramento county excluding Sacramento?

Hey Mileslunn, I must've overlooked this. Without the city of Sacramento, the county would have been D+ 12.77 (Biden 55.10% — Trump 42.33%).

Here's Sacramento's neighbor Yolo County's results (with write-ins included in final percentages for both 2016 and 2020):

YOLO COUNTY
Davis
2016: Clinton 80.50% — Trump 11.53% = D+ 68.97
2020: Biden 85.09% — Trump 12.46% = D+ 72.63
SWING: D+ 03.66

West Sacramento
2016: Clinton 60.35% — Trump 31.54% = D+ 28.81
2020: Biden 62.88% — Trump 34.76% = D+ 28.12
SWING: R+ 00.69

Winters
2016: Clinton 57.43% — Trump 34.78% = D+ 22.65
2020: Biden 59.06% — Trump 38.08% = D+ 20.98
SWING: R+ 01.67

Woodland
2016: Clinton 58.13% — Trump 33.71% = D+ 24.42
2020: Biden 62.39% — Trump 35.05% = D+ 27.34
SWING: D+ 02.92

[HAnnA MArin County]

VENTURA COUNTY (Write-ins included in final percentages for both 2016 and 2020)
Camarillo
2016: Clinton 47.65% — Trump 43.33% = D+ 04.32
2020: Biden 53.79% — Trump 44.00% = D+ 09.79
SWING: D+ 05.47

Fillmore
2016: Clinton 60.32% — Trump 32.23% = D+ 28.09
2020: Biden 62.62% — Trump 35.33% = D+ 27.29
SWING: R+ 00.80

Moorpark
2016: Clinton 49.60% — Trump 41.59% = D+ 08.01
2020: Biden 55.74% — Trump 42.25% = D+ 13.49
SWING: D+ 05.48

Ojai
2016: Clinton 63.92% — Trump 26.78% = D+ 37.14
2020: Biden 70.86% — Trump 26.91% = D+ 43.95
SWING: D+ 06.81

Oxnard
2016: Clinton 71.13% — Trump 21.90% = D+ 49.23
2020: Biden 71.84% — Trump 26.04% = D+ 45.80
SWING: R+ 03.43

Port Hueneme
2016: Clinton 63.00% — Trump 28.53% = D+ 34.47
2020: Biden 65.91% — Trump 31.42% = D+ 34.49
SWING: D+ 00.02

San Buenaventura
2016: Clinton 56.90% — Trump 33.76% = D+ 23.14
2020: Biden 63.25% — Trump 34.27% = D+ 28.98
SWING: D+ 05.84

Santa Paula
2016: Clinton 66.22% — Trump 26.77% = D+ 39.45
2020: Biden 67.65% — Trump 30.53% = D+ 37.12
SWING: R+ 02.33

Simi Valley
2016: Trump 47.88% — Clinton 43.86% = R+ 04.02
2020: Biden 49.34% — Trump 48.45% = D+ 00.89
SWING: D+ 04.91

Thousand Oaks
2016: Clinton 50.78% — Trump 41.28% = D+ 09.50
2020: Biden 56.77% — Trump 41.21% = D+ 15.56
SWING: D+ 06.06

County sweep for Joe Biden, who made history here in this county by being the first Democratic presidential nominee to win Simi Valley, home of the Ronald Reagan Presidential Library and the resting place of the former GOP savior.

[HAnnA MArin County]

San Diego county is now up so wonder if anyone would do that one.  I can get the 2020 data and if someone has 2016 could use for comparison.

I have the data (with write-ins, of course) for 2016 (and 2012, and 2008) for San Diego County if and when you need it, I'd be happy to pass it along to you for comparisons.

[HAnnA MArin County]

Is Oakland proper out ?? What is the results out of there ?

I just finished crunching the numbers for Oakland this morning (write-ins included in both 2016 and 2020):

OAKLAND
2016: Clinton 88.03% — Trump 4.69% = D+ 83.34
2020: Biden 90.98% — Trump 6.91% = D+ 84.07
SWING: D+ 00.73

I also finished Fremont and Hayward, so now we have all of Alameda County except Emeryville.

Fremont
2016: Clinton 72.00% — Trump 21.08% = D+ 50.92
2020: Biden 72.94% — Trump 25.15% = D+ 47.79
SWING: R+ 03.13

Hayward
2016: Clinton 78.40% — Trump 15.05% = D+ 63.35
2020: Biden 77.14% — Trump 20.83% = D+ 56.31
SWING: R+ 07.04

I wonder where did Bush do so well that made him win SD by 6% in 04. Is there an archive site for old data/precincts ?? Btw Biden flipped Coronado

Here are the 2004 results for San Diego County with precincts.

[HAnnA MArin County]

Here is San Diego County for 2020.  Biden My Time can provide the comparisons from 2016.

Thanks, Mileslunn! Here are the 2016 comparisons/swings:

Carlsbad
2016: Clinton 51.52% — Trump 41.19% = D+ 10.33
2020: Biden 57.75% — Trump 40.19% = D+ 17.56
SWING: D+ 07.23

Chula Vista
2016: Clinton 65.47% — Trump 28.39% = D+ 37.08
2020: Biden 64.60% — Trump 33.45% = D+ 31.15
SWING: R+ 05.93

Coronado
2016: Trump 47.71% — Clinton 45.57% = R+ 02.14
2020: Biden 52.57% — Trump 45.31% = D+ 07.26
SWING: D+ 09.40

Del Mar
2016: Clinton 61.36% — Trump 32.12% = D+ 29.24
2020: Biden 63.51% — Trump 34.23% = D+ 29.28
SWING: D+ 00.04

El Cajon
2016: Trump 48.38% — Clinton 44.86% = R+ 03.52
2020: Trump 50.67% — Biden 46.99% = R+ 03.68
SWING: R+ 00.16

Encinitas
2016: Clinton 61.62% — Trump 30.64% = D+ 30.98
2020: Biden 66.89% — Trump 30.89% = D+ 36.00
SWING: D+ 05.02

Escondido
2016: Clinton 48.57% — Trump 43.46% = D+ 05.11
2020: Biden 55.26% — Trump 42.17% = D+ 13.09
SWING: D+ 07.98

Imperial Beach
2016: Clinton 56.95% — Trump 34.95% = D+ 22.00
2020: Biden 57.24% — Trump 39.53% = D+ 17.71
SWING: R+ 04.29

La Mesa
2016: Clinton 56.59% — Trump 35.30% = D+ 21.29
2020: Biden 63.34% — Trump 34.01% = D+ 29.33
SWING: D+ 08.04

Lemon Grove
2016: Clinton 61.06% — Trump 31.36% = D+ 29.70
2020: Biden 64.71% — Trump 32.78% = D+ 31.93
SWING: D+ 02.23

National City
2016: Clinton 73.10% — Trump 20.81% = D+ 52.29
2020: Biden 66.78% — Trump 31.04% = D+ 35.74
SWING: R+ 16.55

Oceanside
2016: Clinton 50.30% — Trump 42.12% = D+ 08.18
2020: Biden 55.86% — Trump 41.46% = D+ 14.40
SWING: D+ 06.22

Poway
2016: Trump 48.27% — Clinton 43.72% = R+ 04.55
2020: Biden 51.00% — Trump 46.41% = D+ 04.59
SWING: D+ 09.14

San Diego
2016: Clinton 65.07% — Trump 27.67% = D+ 37.40
2020: Biden 68.50% — Trump 29.10% = D+ 39.40
SWING: D+ 02.00

San Marcos
2016: Clinton 50.87% — Trump 41.63% = D+ 09.24
2020: Biden 57.25% — Trump 40.40% = D+ 16.85
SWING: D+ 07.61

Santee
2016: Trump 55.75% — Clinton 36.79% = R+ 18.96
2020: Trump 54.41% — Biden 43.04% = R+ 11.37
SWING: D+ 07.59

Solana Beach
2016: Clinton 59.45% — Trump 34.33% = D+ 25.12
2020: Biden 65.19% — Trump 32.50% = D+ 32.69
SWING: D+ 07.57

Vista
2016: Clinton 50.87% — Trump 40.84% = D+ 10.03
2020: Biden 57.29% — Trump 40.03% = D+ 17.26
SWING: D+ 07.23

[HAnnA MArin County]

Would be interested in seeing the two cities of San Benito County.

SAN BENITO COUNTY (Write-ins included for both 2016 and 2020)
Hollister
2016: Clinton 63.36% — Trump 28.82% = D+ 34.54
2020: Biden 67.05% — Trump 30.65% = D+ 36.40
SWING: D+ 01.86

San Juan Bautista
2016: Clinton 66.17% — Trump 26.52% = D+ 39.65
2020: Biden 68.26% — Trump 29.09% = D+ 39.17
SWING: R+ 00.48

[HAnnA MArin County]

Fresno County next please

I was unable to track down all the results in Fresno County. I'm missing Clovis, Fresno, Kingsburg, Orange Cove, and Reedley. But here's what I have for the rest of the county with write-in results included in both 2016 and 2020.

FRESNO COUNTY
Coalinga
2016: Trump 48.89% — Clinton 43.64% = R+ 05.25
2020: Trump 51.65% — Biden 46.33% = R+ 05.32
SWING: R+ 00.07

Firebaugh
2016: Clinton 68.94% — Trump 23.90% = D+ 45.04
2020: Biden 69.43% — Trump 28.71% = D+ 40.72
SWING: R+ 04.32

Fowler
2016: Clinton 56.16% — Trump 37.32% = D+ 18.84
2020: Biden 56.80% — Trump 42.18% = D+ 14.62
SWING: R+ 04.22

Huron
2016: Clinton 86.98% — Trump 7.46% = D+ 79.52
2020: Biden 81.83% — Trump 16.37% = D+ 65.46
SWING: R+ 14.06

Kerman
2016: Clinton 58.95% — Trump 33.72% = D+ 25.23
2020: Biden 59.60% — Trump 39.03% = D+ 20.57
SWING: R+ 04.66

Mendota
2016: Clinton 81.05% — Trump 14.80% = D+ 66.25
2020: Biden 73.45% — Trump 25.34% = D+ 48.11
SWING: R+ 18.14

Parlier
2016: Clinton 82.33% — Trump 11.96% = D+ 70.37
2020: Biden 75.74% — Trump 22.56% = D+ 53.18
SWING: R+ 17.19

San Joaquin
2016: Clinton 84.38% — Trump 11.21% = D+ 73.17
2020: Biden 83.41% — Trump 16.43% = D+ 66.98
SWING: R+ 06.19

Sanger
2016: Clinton 62.17% — Trump 31.40% = D+ 30.77
2020: Biden 62.14% — Trump 36.17% = D+ 25.97
SWING: R+ 04.80

Selma
2016: Clinton 58.35% — Trump 35.94% = D+ 22.41
2020: Biden 58.99% — Trump 39.66% = D+ 19.33
SWING: R+ 03.08

[HAnnA MArin County]

And when you have a chance no rush, Solano County.  Also Alpine, Mono, and Inyo counties which I suspect are pretty easy.

Alpine is one of three counties in California that has no incorporated cities (along with Mariposa and Trinity). Inyo County has not published their statement of the vote yet, but here's Mono and Solano.

MONO COUNTY
Mammoth Lakes
2016: Clinton 61.45% — Trump 30.40% = D+ 31.05
2020: Biden 68.33% — Trump 28.73% = D+ 39.60
SWING: D+ 08.55*
^{*Write-ins not found for 2016; only included in 2020}

SOLANO COUNTY (Write-ins included in both 2016 and 2020)
Benicia
2016: Clinton 64.05% — Trump 26.72% = D+ 37.33
2020: Biden 68.98% — Trump 28.56% = D+ 40.42
SWING: D+ 03.09

Dixon
2016: Clinton 47.98% — Trump 42.81% = D+ 05.17
2020: Biden 50.85% — Trump 46.31% = D+ 04.54
SWING: R+ 00.63

Fairfield
2016: Clinton 62.53% — Trump 29.23% = D+ 33.30
2020: Biden 66.30% — Trump 31.24% = D+ 35.06
SWING: D+ 01.76

Rio Vista
2016: Clinton 51.66% — Trump 41.18% = D+ 10.48
2020: Biden 57.43% — Trump 41.06% = D+ 16.37
SWING: D+ 05.89

Suisun City
2016: Clinton 66.02% — Trump 25.70% = D+ 40.32
2020: Biden 69.76% — Trump 27.54% = D+ 42.22
SWING: D+ 01.90

Vacaville
2016: Clinton 47.78% — Trump 42.49% = D+ 05.29
2020: Biden 51.55% — Trump 45.82% = D+ 05.73
SWING: D+ 00.44

Vallejo
2016: Clinton 75.27% — Trump 18.12% = D+ 57.15
2020: Biden 76.54% — Trump 21.41% = D+ 55.13
SWING: R+ 02.02

[HAnnA MArin County]

Los Angeles County, CA results (by city)
                        Biden        Trump
Beverly Hills   55.07%   43.86%   -19.97%

Dear Lord, what happened here?! Beverly Hills is like the epitome of the white latte liberal city that generally swung to Biden this year. I remember it swinging pretty Republican in 2008 and 2012 but then it swung pretty hard to Hillary in 2016, now only to swing against Biden pretty substantially. What the heck is going on in 90210?!

It's home to lot of Iranian Jews, who I've read tend to like Trump for whatever reason (possibly in part due to him withdrawing from the Iran nuclear deal?) and are probably trending Republican long term too.
 
Plus I don't think Beverley Hills's liberal-left reputation is deserved, it always supports the more 'conservative' candidates in Democratic primaries, Bernie came a poor third in the primary this year (behind Bloomberg) failing to even get 10% in the northern part of the city. Beverley Hills is the kind of place that would be a stronghold of the right in literally any other country and it's only the GOP seemingly going out of their way to put off well-to-do urban voters and the Democrats staying relatively centrist that's keeping it non-Altas-blue. Whilst I think AOC (or a similar type) may well do significantly better in a presidential election than many on the right assume (many Dem trending formally GOP suburbs are not particularly economically right-leaning anymore) Beverley Hills is a good example of a place where she genuinely would lose badly, especially if the Republican nominee was a lot less 'gauche' than Trump.

How did Romney do in Beverly Hills? He was a great fit for very upscale areas.

Beverly Hills
2012 (D+ 10.43)
Barack Obama 8,263 (54.28%)
Mitt Romney 6,676 (43.85%)
Gary Johnson 126 (0.83%)
Jill Stein 64 (0.42%)
Roseanne Barr 58 (0.38%)
Thomas Hoefling 36 (0.24%)

[HAnnA MArin County]

So here's an update of all the flipped cities we have so far for California.

Trump 2016/Biden 2020
Placerville (El Dorado)
Bradbury (Los Angeles)
La Verne (Los Angeles)
Brea (Orange)
Laguna Hills (Orange)
Laguna Niguel (Orange)
Lake Forest (Orange)
Mission Viejo (Orange)
Banning (Riverside)
Hemet (Riverside)
La Quinta (Riverside)
Lake Elsinore (Riverside)
Palm Desert (Riverside)
Coronado (San Diego)
Poway (San Diego)
Atascadero (San Luis Obispo)
Solvang (Santa Barbara)
Simi Valley (Ventura)

Clinton 2016/Trump 2020
Fountain Valley (Orange)
Westminster (Orange)
Porterville (Tulare)

Missing Data
I've been unable to track down the 2020 city data for all (or some) the following counties:
Alameda County (Emeryville)
Colusa County
Del Norte County
Fresno County (Clovis, Fresno, Kingsburg, Orange Cove, Reedley)
Imperial County
Inyo County
Lassen County
Madera County
Marin County
Merced County
San Joaquin County (Escalon, Lodi)
Sierra County
Sonoma County
Sutter County
Tehama County (Tehama)
^{If anyone has or can find the city data in these counties, please feel free to share.}

[HAnnA MArin County]

IMPERIAL COUNTY (Write-ins included for both 2016 and 2020)
Brawley
2016: Clinton 61.89% — Trump 32.03% = D+ 29.86
2020: Biden 58.19% — Trump 39.68% = D+ 18.51
SWING: R+ 11.35

Calexico
2016: Clinton 85.88% — Trump 9.73% = D+ 76.15
2020: Biden 71.50% — Trump 26.16% = D+ 45.34
SWING: R+ 30.81 (!!!!!!!)

Calipatria
2016: Clinton 65.45% — Trump 27.23% = D+ 38.22
2020: Biden 61.07% — Trump 36.49% = D+ 24.58
SWING: R+ 13.64

El Centro
2016: Clinton 68.07% — Trump 25.77% = D+ 42.30
2020: Biden 62.86% — Trump 35.06% = D+ 27.80
SWING: R+ 14.50

Holtville
2016: Clinton 64.48% — Trump 29.33% = D+ 35.15
2020: Biden 60.54% — Trump 37.81% = D+ 22.73
SWING: R+ 12.42

Imperial
2016: Clinton 54.92% — Trump 38.81% = D+ 16.11
2020: Biden 53.51% — Trump 44.29% = D+ 09.22
SWING: R+ 06.89

Westmoreland
2016: Clinton 72.21% — Trump 23.73% = D+ 48.48
2020: Biden 65.75% — Trump 31.89% = D+ 33.86
SWING: R+ 14.62
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
INYO COUNTY (Write-ins included for both 2016 and 2020)
Bishop
2016: Clinton 45.99% — Trump 44.69% = D+ 01.30
2020: Biden 56.82% — Trump 40.00% = D+ 16.82
SWING: D+ 15.52

[HAnnA MArin County]

MARIN COUNTY (Write-ins included for 2012, 2016, and 2020)
Belvedere
2012: Obama 54.90% — Romney 43.70% = D+ 11.20
2016: Clinton 69.51% — Trump 22.83% = D+ 46.68
2020: Biden 74.93% — Trump 22.92% = D+ 52.01
SWING (12-16): D+ 35.48
SWING (16-20): D+ 05.33

Corte Madera
2012: Obama 77.30% — Romney 20.22% = D+ 57.08
2016: Clinton 80.65% — Trump 12.58% = D+ 68.07
2020: Biden 84.78% — Trump 13.25% = D+ 71.53
SWING (12-16): D+ 10.99
SWING (16-20): D+ 03.46

Fairfax
2012: Obama 84.93% — Romney 9.43% = D+ 75.50
2016: Clinton 83.94% — Trump 7.50% = D+ 76.44
2020: Biden 90.03% — Trump 8.04% = D+ 81.99
SWING (12-16): D+ 00.94
SWING (16-20): D+ 05.55

Larkspur
2012: Obama 75.16% — Romney 22.43% = D+ 52.73
2016: Clinton 78.41% — Trump 14.34% = D+ 64.07
2020: Biden 84.15% — Trump 14.29% = D+ 69.86
SWING (12-16): D+ 11.34
SWING (16-20): D+ 05.79

Mill Valley
2012: Obama 81.33% — Romney 16.26% = D+ 65.07
2016: Clinton 85.85% — Trump 8.39% = D+ 77.46
2020: Biden 90.02% — Trump 8.55% = D+ 81.47
SWING (12-16): D+ 12.39
SWING (16-20): D+ 04.01

Novato
2012: Obama 68.19% — Romney 28.97% = D+ 39.22
2016: Clinton 70.01% — Trump 22.62% = D+ 47.39
2020: Biden 75.10% — Trump 22.90% = D+ 52.20
SWING (12-16): D+ 08.17
SWING (16-20): D+ 04.81

Ross
2012: Obama 56.84% — Romney 41.02% = D+ 15.82
2016: Clinton 71.21% — Trump 19.52% = D+ 51.69
2020: Biden 79.07% — Trump 19.03% = D+ 60.04
SWING (12-16): D+ 35.87
SWING (16-20): D+ 08.35

San Anselmo
2012: Obama 82.85% — Romney 14.41% = D+ 68.44
2016: Clinton 84.10% — Trump 9.53% = D+ 74.57
2020: Biden 87.72% — Trump 10.51% = D+ 77.21
SWING (12-16): D+ 06.13
SWING (16-20): D+ 02.64

San Rafael
2012: Obama 74.89% — Romney 22.15% = D+ 52.74
2016: Clinton 77.80% — Trump 15.07% = D+ 62.73
2020: Biden 82.60% — Trump 15.57% = D+ 67.03
SWING (12-16): D+ 09.99
SWING (16-20): D+ 04.30

Sausalito
2012: Obama 75.89% — Romney 21.49% = D+ 54.40
2016: Clinton 79.95% — Trump 13.30% = D+ 66.65
2020: Biden 85.26% — Trump 13.04% = D+ 72.22
SWING (12-16): D+ 12.25
SWING (16-20): D+ 05.57

Tiburon
2012: Obama 64.01% — Romney 33.94% = D+ 30.07
2016: Clinton 73.14% — Trump 18.57% = D+ 54.57
2020: Biden 79.08% — Trump 18.74% = D+ 60.34
SWING (12-16): D+ 24.50
SWING (16-20): D+ 05.77

Fifth consecutive county sweep for Democrats in Marin County, as no Republican presidential nominee has won a city here since 2000 when George W. Bush carried Belvedere with a plurality of the vote.