Ronald Reagan carried Ohio R+18.8.

Walter Mondale (D) vs Ronald Reagan (R) in Ohio, 1984. The state ran 0.5 points more Republican than the nation (R+18.2 nationally).

Nominees: Walter Mondale (D) · Ronald Reagan (R)

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Ohio result

4,547,619 votes counted

Mondale (D)

1,825,440

40.1%

Reagan (R)

2,678,559

58.9%

All others

43,620

1.0%

Margin

R+18.8

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1984 presidential election

Ohio, 1984

ReaganR+18.8

How it voted

Share of the 1984 vote

Ronald Reagan ✓Republican	58.9%	2,678,559
Walter MondaleDemocratic	40.1%	1,825,440
OtherAll other candidates	1.0%	43,620

D+60

R+60

88 counties, each filled by 1984 D-vs-R margin. Hover any county for its result.

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Ohio's presidential margins

1892–2024, the 1984 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 — 1984

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

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County	Won	Margin	Democratic	Republican	Total
Adams County	R	−26.5%	3,534	6,113	9,729
Allen County	R	−46.5%	12,176	33,506	45,911
Ashland County	R	−49.6%	4,786	14,339	19,272
Ashtabula County	R	−5.6%	19,344	21,669	41,397
Athens County	R	−6.1%	10,201	11,548	21,958
Auglaize County	R	−56.1%	4,102	14,766	19,000
Belmont County	D	+12.3%	19,458	15,170	34,856
Brown County	R	−33.5%	4,067	8,221	12,404
Butler County	R	−46.4%	27,700	76,216	104,514
Carroll County	R	−27.7%	3,771	6,703	10,584
Champaign County	R	−47.0%	3,544	9,935	13,600
Clark County	R	−25.4%	21,154	35,831	57,744
Clermont County	R	−49.9%	11,713	35,316	47,319
Clinton County	R	−48.2%	3,332	9,603	13,018
Columbiana County	R	−9.7%	20,155	24,552	45,110
Coshocton County	R	−38.1%	4,392	9,842	14,323
Crawford County	R	−49.2%	4,932	14,682	19,820
Cuyahoga County	D	+12.1%	362,626	284,094	651,633
Darke County	R	−46.6%	5,904	16,379	22,494
Defiance County	R	−36.9%	5,004	10,951	16,130
Delaware County	R	−53.1%	5,773	19,050	24,989
Erie County	R	−17.1%	13,508	19,174	33,154
Fairfield County	R	−51.2%	9,817	30,843	41,033
Fayette County	R	−52.2%	2,126	6,838	9,021
Franklin County	R	−30.4%	131,530	250,360	390,474
Fulton County	R	−45.7%	4,217	11,412	15,730
Gallia County	R	−31.4%	4,251	8,194	12,554
Geauga County	R	−37.9%	9,954	22,369	32,754
Greene County	R	−33.1%	17,129	34,267	51,712
Guernsey County	R	−34.4%	4,967	10,252	15,344
Hamilton County	R	−27.2%	140,350	246,288	388,815
Hancock County	R	−58.0%	5,758	22,169	28,297
Hardin County	R	−38.9%	3,813	8,722	12,620
Harrison County	R	−11.7%	3,370	4,276	7,712
Henry County	R	−53.7%	2,779	9,317	12,173
Highland County	R	−40.5%	3,784	9,000	12,875
Hocking County	R	−29.5%	3,280	6,071	9,463
Holmes County	R	−49.1%	1,737	5,146	6,944
Huron County	R	−36.7%	6,609	14,388	21,171
Jackson County	R	−25.5%	4,369	7,411	11,908
Jefferson County	D	+14.2%	22,832	17,105	40,277
Knox County	R	−41.9%	5,730	14,062	19,901
Lake County	R	−19.4%	36,711	54,587	92,325
Lawrence County	R	−12.7%	11,431	14,793	26,437
Licking County	R	−45.3%	13,995	37,560	51,976
Logan County	R	−53.7%	3,645	12,230	15,979
Lorain County	R	−3.9%	52,970	57,379	113,021
Lucas County	R	−1.5%	97,293	100,285	199,554
Madison County	R	−50.5%	2,928	8,979	11,987
Mahoning County	D	+17.6%	76,514	53,424	131,438
Marion County	R	−32.4%	8,827	17,392	26,443
Medina County	R	−31.5%	15,897	30,690	46,944
Meigs County	R	−27.8%	3,549	6,307	9,929
Mercer County	R	−44.1%	4,422	11,542	16,144
Miami County	R	−45.7%	9,695	26,300	36,315
Monroe County	D	+4.4%	3,611	3,302	6,978
Montgomery County	R	−18.5%	94,016	137,053	232,402
Morgan County	R	−36.0%	1,868	3,994	5,903
Morrow County	R	−47.8%	2,839	8,116	11,042
Muskingum County	R	−36.7%	10,037	21,821	32,101
Noble County	R	−36.5%	1,777	3,853	5,691
Ottawa County	R	−21.4%	7,053	10,920	18,075
Paulding County	R	−32.4%	2,811	5,545	8,439
Perry County	R	−30.9%	3,961	7,548	11,597
Pickaway County	R	−48.5%	4,110	11,942	16,160
Pike County	R	−12.6%	4,895	6,318	11,302
Portage County	R	−15.1%	21,719	29,536	51,687
Preble County	R	−44.6%	4,198	11,065	15,403
Putnam County	R	−57.3%	3,194	11,936	15,251
Richland County	R	−37.0%	16,141	35,299	51,836
Ross County	R	−35.2%	8,020	17,015	25,548
Sandusky County	R	−33.2%	8,564	17,214	26,020
Scioto County	R	−14.1%	14,120	18,818	33,219
Seneca County	R	−35.0%	7,905	16,520	24,642
Shelby County	R	−51.1%	4,315	13,509	17,983
Stark County	R	−20.2%	65,157	98,434	164,916
Summit County	R	−2.7%	109,569	115,637	226,780
Trumbull County	D	+10.9%	56,902	45,623	103,259
Tuscarawas County	R	−19.0%	13,149	19,366	32,754
Union County	R	−56.3%	2,579	9,336	12,001
Van Wert County	R	−48.0%	3,338	9,570	12,988
Vinton County	R	−20.7%	1,990	3,041	5,085
Warren County	R	−53.3%	9,031	29,848	39,070
Washington County	R	−34.4%	7,920	16,529	24,993
Wayne County	R	−36.4%	11,323	24,475	36,103
Williams County	R	−49.3%	3,624	10,804	14,578
Wood County	R	−30.1%	15,907	29,750	45,954
Wyandot County	R	−50.5%	2,342	7,204	9,630