Long term Republican counties that will flip Democrat

[Politician]

Forsyth and Washington really, didn't Trump win those by more than 40%. Would be amazing to see a swing that large in those counties.

You don't realize that 2016 trends are set in stone. Williamson County, TN is a tossup in 2020 because it's educated and suburban.

[Politician]

Counties that haven't voted Democratic once in the 21st century that could flip:

Maricopa, AZ - Tossup
Pinal, AZ - Likely R
Navajo, AZ - Likely R
Yuma, AZ - Tilt R
Washington, AR - Likely R
Kern, CA - Likely R
Garfield, CO - Likely R
Duval, FL - Tossup
Sarasota, FL - Likely R
Seminole, FL - Tossup
Ada, ID - Lean R
Dallas, IA - Lean R
Johnson, KS - Lean D
Riley, KS - Tossup
Shawnee, KS - Tilt D
Frederick, MD - Tilt D
Talbot, MD - Likely R
Grand Traverse, MI - Likely R
Anoka, MN - Lean R
Goodhue, MN - Likely R
Scott, MN - Likely R
Lafayette, MS - Likely R
Platte, MO - Likely R
Park, MT - Likely R
Hunterdon, NJ - Likely R
Morris, NJ - Tossup
Ontario, NY - Likely R
Franklin, NC - Likely R
Lenoir, NC - Lean R
New Hanover, NC - Tossup
Oklahoma, OK - Likely R
Descheutes, OR - Tilt D
Polk, OR - Lean R
Yamhill, OR - Likely R
Cumberland, PA - Likely R
Beaufort, SC - Likely R
Florence, SC - Likely R
Hays, TX - Likely D
Nueces, TX - Tilt D
Tarrant, TX - Likely R
Williamson, TX - Lean R
San Juan, UT - Likely R
Chesterfield, VA - Tilt D
James City, VA - Tilt R
Lynchburg, VA - Lean R
Stafford, VA - Likely R
Virginia Beach, VA - Tossup
Spokane, WA - Likely R