Party Flips2008 → 2012
Counties That Flipped in 2012
Barack Obama vs Mitt Romney
213 counties changed parties between 2008 and 2012—194 flipped Republican and 19 flipped Democratic.
194
Flipped to Republican
19
Flipped to Democratic
Flipped Republican (194)
Boone County
WV
R+42.2
swing
D+10.7→R+31.5
McDowell County
WV
R+38.4
swing
D+8.5→R+29.9
Webster County
WV
R+33.0
swing
D+5.4→R+27.5
Gallatin County
IL
R+31.1
swing
D+13.1→R+18.0
Wolfe County
KY
R+25.0
swing
D+2.9→R+22.1
Menifee County
KY
R+21.6
swing
D+4.9→R+16.8
Calhoun County
IL
R+21.5
swing
D+7.5→R+14.0
Vermillion County
IN
R+20.7
swing
D+13.9→R+6.8
Rosebud County
MT
R+20.5
swing
D+4.0→R+16.5
Salt Lake County
UT
R+20.3
swing
D+0.1→R+20.2
Elk County
PA
R+20.2
swing
D+4.3→R+15.9
Summit County
UT
R+19.9
swing
D+15.3→R+4.6
Washington County
MO
R+19.1
swing
D+0.1→R+19.0
Cambria County
PA
R+18.7
swing
D+0.7→R+18.0
Mountrail County
ND
R+18.6
swing
D+2.4→R+16.2
Cass County
MI
R+17.8
swing
D+4.1→R+13.6
Iron County
MO
R+17.3
swing
D+2.8→R+14.5
Ste. Genevieve County
MO
R+17.1
swing
D+14.1→R+3.0
Macoupin County
IL
R+16.9
swing
D+9.8→R+7.0
Montgomery County
IL
R+16.8
swing
D+2.6→R+14.1
Clark County
WI
R+16.5
swing
D+7.5→R+9.0
Monroe County
OH
R+16.5
swing
D+9.2→R+7.4
Braxton County
WV
R+16.5
swing
D+1.4→R+15.1
Kewaunee County
WI
R+16.4
swing
D+11.0→R+5.4
Jackson County
TN
R+16.3
swing
D+0.9→R+15.4
Towner County
ND
R+16.1
swing
D+7.1→R+9.1
Miner County
SD
R+16.1
swing
D+2.3→R+13.8
Wood County
WI
R+16.0
swing
D+13.1→R+2.9
Eddy County
ND
R+15.8
swing
D+3.0→R+12.8
Spencer County
IN
R+15.7
swing
D+0.4→R+15.3
Oconto County
WI
R+15.6
swing
D+6.2→R+9.4
Kossuth County
IA
R+15.4
swing
D+3.3→R+12.2
Tippecanoe County
IN
R+15.2
swing
D+11.6→R+3.6
Jefferson County
MO
R+15.2
swing
D+2.5→R+12.7
Marathon County
WI
R+14.9
swing
D+8.9→R+6.1
Marion County
WV
R+14.9
swing
D+0.5→R+14.4
Cass County
IL
R+14.8
swing
D+1.4→R+13.4
Oceana County
MI
R+14.6
swing
D+4.4→R+10.3
Henderson County
KY
R+14.5
swing
D+2.6→R+11.8
Coles County
IL
R+14.3
swing
D+3.2→R+11.1
Hancock County
KY
R+14.2
swing
D+5.0→R+9.2
McHenry County
IL
R+14.1
swing
D+5.3→R+8.8
Starke County
IN
R+13.8
swing
D+3.2→R+10.6
Vermilion County
IL
R+13.8
swing
D+0.6→R+13.2
Calumet County
WI
R+13.7
swing
D+2.2→R+11.5
Shawano County
WI
R+13.6
swing
D+3.6→R+10.0
Palo Alto County
IA
R+13.4
swing
D+2.8→R+10.7
Outagamie County
WI
R+13.4
swing
D+11.6→R+1.8
Monongalia County
WV
R+13.4
swing
D+3.9→R+9.5
Iron County
WI
R+13.3
swing
D+13.1→R+0.2
Menominee County
MI
R+13.1
swing
D+10.2→R+2.9
Vanderburgh County
IN
R+13.0
swing
D+2.5→R+10.6
Delta County
MI
R+13.0
swing
D+6.4→R+6.6
Crawford County
IA
R+13.0
swing
D+5.1→R+7.8
Sangamon County
IL
R+13.0
swing
D+4.4→R+8.6
Langlade County
WI
R+12.8
swing
D+1.0→R+11.8
Ontonagon County
MI
R+12.7
swing
D+3.7→R+9.0
Marshall County
MN
R+12.7
swing
D+0.5→R+12.2
Emmet County
IA
R+12.6
swing
D+3.9→R+8.7
Teton County
ID
R+12.6
swing
D+0.8→R+11.8
Oneida County
WI
R+12.5
swing
D+10.4→R+2.1
Brown County
SD
R+12.3
swing
D+5.6→R+6.7
Mason County
IL
R+12.2
swing
D+5.9→R+6.3
Waupaca County
WI
R+12.2
swing
D+2.8→R+9.4
McLean County
IL
R+12.2
swing
D+1.2→R+11.0
Franklin County
IA
R+12.2
swing
D+1.4→R+10.7
Rusk County
WI
R+12.2
swing
D+8.3→R+3.9
Berrien County
MI
R+12.0
swing
D+5.5→R+6.5
Nelson County
ND
R+11.9
swing
D+6.1→R+5.8
Lake County
MT
R+11.9
swing
D+1.9→R+10.0
Traill County
ND
R+11.9
swing
D+7.2→R+4.7
Lake County
SD
R+11.7
swing
D+0.7→R+11.1
Grand County
UT
R+11.6
swing
D+4.8→R+6.8
Tuscarawas County
OH
R+11.6
swing
D+2.4→R+9.1
LaSalle County
IL
R+11.5
swing
D+11.1→R+0.4
Benzie County
MI
R+11.3
swing
D+7.4→R+3.9
Cascade County
MT
R+11.3
swing
D+2.3→R+9.0
Iron County
MI
R+11.1
swing
D+2.2→R+8.9
Madison County
IN
R+11.0
swing
D+6.5→R+4.5
Waushara County
WI
R+11.0
swing
D+0.8→R+10.2
Brown County
WI
R+10.9
swing
D+9.2→R+1.8
Belmont County
OH
R+10.8
swing
D+2.7→R+8.1
Grundy County
IL
R+10.6
swing
D+1.7→R+8.9
Madison County
IL
R+10.6
swing
D+9.2→R+1.4
Yellow Medicine County
MN
R+10.6
swing
D+4.3→R+6.3
Kendall County
IL
R+10.5
swing
D+7.2→R+3.3
Schuyler County
IL
R+10.5
swing
D+1.8→R+8.8
Marinette County
WI
R+10.5
swing
D+6.9→R+3.5
Manitowoc County
WI
R+10.3
swing
D+7.5→R+2.8
Polk County
MN
R+10.3
swing
D+4.6→R+5.7
Berks County
PA
R+10.2
swing
D+9.2→R+1.0
Iosco County
MI
R+10.1
swing
D+5.1→R+5.0
Lewis and Clark County
MT
R+10.1
swing
D+6.5→R+3.6
Flipped Democratic (19)
Northwest Arctic Borough
AK
D+50.9
swing
R+15.9→D+35.0
Lake and Peninsula Borough
AK
D+40.2
swing
R+22.7→D+17.6
North Slope Borough
AK
D+38.9
swing
R+8.9→D+30.0
Yukon-Koyukuk Census Area
AK
D+35.9
swing
R+8.2→D+27.7
Dillingham Census Area
AK
D+34.0
swing
R+11.7→D+22.3
Aleutians West Census Area
AK
D+31.0
swing
R+2.6→D+28.4
Prince of Wales-Hyder Census Area
AK
D+19.5
swing
R+9.3→D+10.2