Counties which swung toward one party but the other increased their vote margin

[RI]

Counties like Escambia County, FL, which "swung" in percentage terms toward Clinton, but where Trump netted about 800 more votes than Romney through increased turnout. Just looking at Florida reveals a few such counties:

Clay County, FL: 1.80% swing to Clinton, +2,878 votes to Trump
Escambia County, FL: 0.16% swing to Clinton, +821 votes to Trump
Okaloosa County, FL: 2.04% swing to Clinton, +1,366 votes to Trump
Palm Beach County, FL: 1.65% swing to Trump, +18 votes to Clinton
St. John's County, FL: 4.59% swing to Clinton, +2,262 votes to Trump

A bunch in the outer Atlanta suburbs:

Coweta County, GA: 2.23% swing to Clinton, +1,465 votes to Trump
Dawson County, GA: 2.59% swing to Clinton, +846 votes to Trump
Habersham County, GA: 1.67% swing to Clinton, +842 votes to Trump
Hall County, GA: 6.09% swing to Clinton, +1,071 votes to Trump
Lumpkin County, GA: 1.10% swing to Clinton, +807 votes to Trump
Paulding County, GA: 2.80% swing to Clinton, +1,616 votes to Trump
Whitfield County, GA: 0.49% swing to Clinton, +1,505 votes to Trump

NYC area:

Hudson County, NJ: 3.93% swing to Trump, +4,135 votes to Clinton
Bronx County, NY: 4.31% swing to Trump, +6,605 votes to Clinton
Kings County, NY: 3.12% swing to Trump, +19,617 votes to Clinton
Queens County, NY: 5.56% swing to Trump, +15,736 votes to Clinton

There were a bunch in Texas. Some of the larger ones:

Comal County, TX: 4.39% swing to Clinton, +3,030 votes to Trump
Ellis County, TX: 2.30% swing to Clinton, +2,995 votes to Trump
Galveston County, TX: 2.35% swing to Clinton, +551 votes to Trump
Guadalupe County, TX: 3.46% swing to Clinton, +868 votes to Trump
Hidalgo County, TX: 1.24% swing to Trump, +12,063 votes to Clinton
Lubbock County, TX: 2.79% swing to Clinton, +430 votes to Trump
Smith County, TX: 1.86% swing to Clinton, +755 votes to Trump
Tom Green County, TX: 0.28% swing to Clinton, +737 votes to Trump
Webb County, TX: 2.31% swing to Trump, +2,841 votes to Clinton

A few other counties, mostly suburban:

Faulkner County, AR: 0.63% swing to Clinton, +1,616 votes to Trump
Saguache County, CO: 0.11% swing to Trump, +136 votes to Clinton
Perry County, KY: 1.56% swing to Clinton, +29 votes to Trump
Lafayette Parish, LA: 0.09% swing to Clinton, +2,245 votes to Trump
Charles County, MD: 1.07% swing to Trump, +131 votes to Clinton
Lea County, NM: 1.41% swing to Clinton, +97 votes to Trump
Cabarrus County, NC: 0.38% swing to Clinton, +1,590 votes to Trump
Warren County, OH: 2.14% swing to Clinton, +258 votes to Trump
Canadian County, OK: 3.13% swing to Clinton, +3,224 votes to Trump
Payne County, OK: 0.04% swing to Clinton, +580 votes to Trump
Cumberland County, PA: 0.57% swing to Clinton, +1,549 votes to Trump
Lexington County, SC: 1.06% swing to Clinton, +2,282 votes to Trump
Snohomish County, WA: 0.66% swing to Trump, +1,472 votes to Clinton

On a statewide level, this also happened in Oregon.