Barack Obama carried Ohio D+3.0.

Barack Obama (D) vs Mitt Romney (R) in Ohio, 2012. The state ran 0.9 points more Republican than the nation (D+3.9 nationally). A US Senate contest shared the 2012 ballot here.

Nominees: Barack Obama (D) · Mitt Romney (R)

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Ohio result

5,634,017 votes counted

Obama (D)

2,827,709

50.2%

Romney (R)

2,661,439

47.2%

All others

144,869

2.6%

Margin

D+3.0

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2012 presidential election

Ohio, 2012

ObamaD+3.0

How it voted

Share of the 2012 vote

Barack Obama ✓Democratic	50.2%	2,827,709
Mitt RomneyRepublican	47.2%	2,661,439
OtherAll other candidates	2.6%	144,869

D+60

R+60

88 counties, each filled by 2012 D-vs-R margin. Hover any county for its result.

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Ohio's presidential margins

1892–2024, the 2012 contest in context

Ohio's presidential margins

Year	Margin (D minus R)
1892	−0.1%
1896	−4.8%
1900	−6.6%
1904	−25.4%
1908	−6.2%
1912	+14.1%
1916	+7.7%
1920	−19.9%
1924	−34.6%
1928	−30.4%
1932	+2.8%
1936	+20.6%
1940	+4.4%
1944	−0.4%
1948	+0.2%
1952	−13.5%
1956	−22.2%
1960	−6.6%
1964	+25.9%
1968	−2.3%
1972	−21.6%
1976	+0.3%
1980	−10.6%
1984	−18.8%
1988	−10.9%
1992	+1.8%
1996	+6.4%
2000	−3.5%
2004	−2.1%
2008	+4.6%
2012	+3.0%
2016	−8.0%
2020	−8.0%
2024	−11.1%

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County results — 2012

88 counties; every row links to the county's full page.

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County	Won	Margin	Democratic	Republican	Total
Adams County	R	−25.6%	3,976	6,865	11,304
Allen County	R	−23.8%	17,914	29,502	48,708
Ashland County	R	−29.4%	8,281	15,519	24,578
Ashtabula County	D	+12.6%	23,803	18,298	43,745
Athens County	D	+34.9%	18,307	8,543	28,008
Auglaize County	R	−48.0%	5,831	17,169	23,619
Belmont County	R	−8.1%	14,156	16,758	32,181
Brown County	R	−24.4%	7,107	11,916	19,691
Butler County	R	−25.0%	62,388	105,176	171,170
Carroll County	R	−13.2%	5,543	7,315	13,409
Champaign County	R	−21.4%	7,044	11,045	18,669
Clark County	R	−0.8%	31,297	31,820	65,104
Clermont County	R	−34.8%	30,458	64,208	97,012
Clinton County	R	−33.9%	5,791	12,009	18,329
Columbiana County	R	−11.6%	19,821	25,251	46,740
Coshocton County	R	−9.1%	6,940	8,390	15,988
Crawford County	R	−21.7%	7,507	11,852	20,008
Cuyahoga County	D	+39.5%	447,273	190,660	650,437
Darke County	R	−44.1%	6,826	18,108	25,590
Defiance County	R	−13.2%	7,732	10,176	18,461
Delaware County	R	−23.1%	37,292	60,194	99,254
Erie County	D	+12.1%	21,793	16,952	39,908
Fairfield County	R	−15.4%	29,890	41,034	72,547
Fayette County	R	−21.3%	4,249	6,620	11,136
Franklin County	D	+22.7%	346,373	215,997	574,610
Fulton County	R	−12.4%	9,073	11,738	21,440
Gallia County	R	−24.9%	4,557	7,750	12,826
Geauga County	R	−21.1%	19,659	30,589	51,806
Greene County	R	−20.9%	32,256	49,819	84,109
Guernsey County	R	−9.0%	7,450	8,993	17,050
Hamilton County	D	+6.3%	219,927	193,326	421,997
Hancock County	R	−27.5%	12,564	22,443	35,944
Hardin County	R	−22.8%	4,619	7,489	12,561
Harrison County	R	−14.7%	2,950	4,019	7,289
Henry County	R	−18.1%	5,658	8,257	14,395
Highland County	R	−29.7%	6,054	11,413	18,040
Hocking County	R	−1.0%	6,157	6,285	12,890
Holmes County	R	−50.6%	2,608	8,702	12,043
Huron County	R	−8.3%	11,006	13,060	24,895
Jackson County	R	−20.2%	5,166	7,904	13,579
Jefferson County	R	−4.9%	15,385	17,034	33,631
Knox County	R	−23.7%	10,470	17,266	28,692
Lake County	R	−0.9%	57,680	58,744	119,409
Lawrence County	R	−14.8%	10,744	14,651	26,358
Licking County	R	−13.8%	34,201	45,503	82,085
Logan County	R	−30.6%	7,062	13,633	21,462
Lorain County	D	+15.3%	81,464	59,405	144,318
Lucas County	D	+31.5%	136,616	69,940	211,824
Madison County	R	−19.7%	6,845	10,342	17,719
Mahoning County	D	+28.0%	77,059	42,641	122,801
Marion County	R	−6.4%	12,504	14,265	27,622
Medina County	R	−12.7%	38,785	50,418	91,401
Meigs County	R	−17.9%	4,027	5,895	10,439
Mercer County	R	−54.2%	4,745	16,561	21,818
Miami County	R	−34.9%	16,383	34,606	52,221
Monroe County	R	−7.4%	3,035	3,548	6,967
Montgomery County	D	+4.6%	137,139	124,841	267,936
Morgan County	R	−5.9%	2,814	3,179	6,226
Morrow County	R	−24.1%	5,933	9,865	16,340
Muskingum County	R	−6.0%	17,002	19,264	37,603
Noble County	R	−23.6%	2,131	3,563	6,072
Ottawa County	D	+4.2%	11,503	10,538	22,736
Paulding County	R	−19.6%	3,538	5,354	9,256
Perry County	R	−3.9%	7,033	7,627	15,223
Pickaway County	R	−17.9%	9,684	14,037	24,372
Pike County	R	−0.0%	5,684	5,685	11,773
Portage County	D	+5.5%	39,453	35,242	76,776
Preble County	R	−35.9%	6,211	13,535	20,404
Putnam County	R	−50.5%	4,318	13,721	18,612
Richland County	R	−19.2%	22,687	33,867	58,241
Ross County	R	−1.4%	14,569	15,008	30,474
Sandusky County	D	+2.7%	14,541	13,755	29,424
Scioto County	R	−1.3%	15,077	15,492	31,971
Seneca County	R	−7.4%	11,353	13,243	25,609
Shelby County	R	−44.8%	6,343	17,142	24,129
Stark County	D	+0.5%	89,432	88,581	183,173
Summit County	D	+15.5%	153,041	111,001	271,307
Trumbull County	D	+22.8%	61,672	38,279	102,723
Tuscarawas County	R	−9.1%	18,407	22,242	42,052
Union County	R	−29.1%	8,805	16,289	25,762
Van Wert County	R	−39.4%	4,029	9,585	14,108
Vinton County	R	−7.5%	2,436	2,856	5,613
Warren County	R	−39.1%	32,909	76,564	111,760
Washington County	R	−18.8%	11,651	17,284	29,995
Wayne County	R	−20.3%	19,808	30,251	51,562
Williams County	R	−15.5%	7,266	10,049	17,904
Wood County	D	+4.8%	32,802	29,704	64,342
Wyandot County	R	−19.1%	4,137	6,180	10,702