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Ohio 2008 Presidential Election Results by County

Compiled by EveryElectionResult.com's data team · Last updated 2026-09-02

In 2008, the Republican candidate won 66 of Ohio's 88 counties.

County Winner Party Votes Vote Share Margin Total Votes Cast
Adams John McCain Republican 6,914 60.7% 24.1 pts 11,388
Allen John McCain Republican 29,941 59.6% 20.7 pts 50,263
Ashland John McCain Republican 15,158 60.2% 23.3 pts 25,168
Ashtabula Barack Obama Democratic 25,027 55.8% 13.5 pts 44,874
Athens Barack Obama Democratic 20,722 66.6% 35.3 pts 31,098
Auglaize John McCain Republican 16,395 69.8% 41.2 pts 23,486
Belmont Barack Obama Democratic 16,302 50.3% 2.7 pts 32,411
Brown John McCain Republican 12,192 60.6% 23.3 pts 20,113
Butler John McCain Republican 105,340 60.6% 22.6 pts 173,776
Carroll John McCain Republican 7,097 50.9% 4.8 pts 13,953
Champaign John McCain Republican 11,141 59.0% 19.9 pts 18,887
Clark John McCain Republican 33,634 50.4% 2.5 pts 66,770
Clermont John McCain Republican 62,559 65.5% 32.4 pts 95,480
Clinton John McCain Republican 12,410 64.3% 30.3 pts 19,306
Columbiana John McCain Republican 25,585 52.8% 7.6 pts 48,480
Coshocton John McCain Republican 8,675 51.4% 5.8 pts 16,863
Crawford John McCain Republican 12,316 58.2% 19.0 pts 21,173
Cuyahoga Barack Obama Democratic 458,204 68.9% 38.8 pts 665,114
Darke John McCain Republican 17,290 67.0% 36.2 pts 25,793
Defiance John McCain Republican 10,407 54.2% 10.5 pts 19,197
Delaware John McCain Republican 54,778 59.3% 19.6 pts 92,416
Erie Barack Obama Democratic 23,148 56.1% 13.9 pts 41,229
Fairfield John McCain Republican 41,580 57.8% 17.1 pts 71,946
Fayette John McCain Republican 7,102 60.7% 23.1 pts 11,694
Franklin Barack Obama Democratic 334,684 59.7% 20.7 pts 560,291
Fulton John McCain Republican 11,689 53.2% 8.1 pts 21,973
Gallia John McCain Republican 8,247 61.9% 26.1 pts 13,318
Geauga John McCain Republican 29,096 56.9% 15.4 pts 51,102
Greene John McCain Republican 48,936 58.5% 18.4 pts 83,589
Guernsey John McCain Republican 9,197 53.1% 9.1 pts 17,325
Hamilton Barack Obama Democratic 224,644 53.0% 7.0 pts 424,082
Hancock John McCain Republican 22,420 60.6% 23.1 pts 36,981
Hardin John McCain Republican 7,749 59.1% 20.9 pts 13,114
Harrison John McCain Republican 3,872 49.7% 2.4 pts 7,787
Henry John McCain Republican 8,239 55.5% 12.9 pts 14,840
Highland John McCain Republican 11,908 62.1% 26.3 pts 19,188
Hocking John McCain Republican 6,326 49.1% 0.7 pts 12,895
Holmes John McCain Republican 7,720 69.5% 41.2 pts 11,113
Huron John McCain Republican 12,884 50.4% 3.2 pts 25,582
Jackson John McCain Republican 8,219 58.7% 20.2 pts 13,993
Jefferson Barack Obama Democratic 17,635 49.1% 0.2 pts 35,939
Knox John McCain Republican 16,640 58.9% 19.9 pts 28,231
Lake Barack Obama Democratic 60,155 49.6% 0.8 pts 121,335
Lawrence John McCain Republican 15,415 56.7% 15.3 pts 27,194
Licking John McCain Republican 46,886 57.0% 15.8 pts 82,283
Logan John McCain Republican 13,848 62.3% 26.6 pts 22,217
Lorain Barack Obama Democratic 85,276 58.1% 17.8 pts 146,859
Lucas Barack Obama Democratic 142,852 65.0% 31.5 pts 219,830
Madison John McCain Republican 10,603 60.8% 23.3 pts 17,451
Mahoning Barack Obama Democratic 79,173 62.3% 26.6 pts 127,032
Marion John McCain Republican 15,454 53.3% 8.9 pts 29,017
Medina John McCain Republican 48,189 53.3% 8.0 pts 90,451
Meigs John McCain Republican 6,015 58.1% 18.6 pts 10,354
Mercer John McCain Republican 15,100 71.0% 43.5 pts 21,271
Miami John McCain Republican 33,417 63.3% 28.5 pts 52,807
Monroe Barack Obama Democratic 3,705 53.1% 9.2 pts 6,982
Montgomery Barack Obama Democratic 145,997 52.4% 6.2 pts 278,511
Morgan John McCain Republican 3,440 52.1% 7.2 pts 6,608
Morrow John McCain Republican 10,067 60.5% 23.4 pts 16,643
Muskingum John McCain Republican 20,549 52.6% 7.2 pts 39,071
Noble John McCain Republican 3,450 55.9% 15.8 pts 6,172
Ottawa Barack Obama Democratic 12,049 52.2% 6.2 pts 23,069
Paulding John McCain Republican 5,317 54.4% 11.8 pts 9,769
Perry John McCain Republican 7,721 50.1% 3.0 pts 15,404
Pickaway John McCain Republican 14,228 60.0% 21.7 pts 23,726
Pike John McCain Republican 6,162 49.3% 1.0 pts 12,506
Portage Barack Obama Democratic 41,856 53.5% 9.0 pts 78,205
Preble John McCain Republican 13,562 64.6% 31.2 pts 21,002
Putnam John McCain Republican 13,072 70.0% 41.7 pts 18,680
Richland John McCain Republican 34,034 55.7% 13.6 pts 61,122
Ross John McCain Republican 16,759 52.6% 7.2 pts 31,840
Sandusky Barack Obama Democratic 15,601 51.4% 4.6 pts 30,373
Scioto John McCain Republican 16,994 52.2% 6.3 pts 32,571
Seneca John McCain Republican 13,823 50.4% 2.7 pts 27,449
Shelby John McCain Republican 15,924 67.3% 36.4 pts 23,668
Stark Barack Obama Democratic 96,990 51.7% 5.5 pts 187,545
Summit Barack Obama Democratic 155,105 57.6% 16.6 pts 269,059
Trumbull Barack Obama Democratic 64,145 60.0% 22.4 pts 106,888
Tuscarawas Barack Obama Democratic 21,498 50.1% 2.4 pts 42,950
Union John McCain Republican 15,744 63.2% 28.0 pts 24,928
Van Wert John McCain Republican 9,168 62.6% 27.2 pts 14,652
Vinton John McCain Republican 3,021 53.5% 9.9 pts 5,646
Warren John McCain Republican 71,691 67.5% 36.1 pts 106,216
Washington John McCain Republican 17,019 56.9% 15.5 pts 29,932
Wayne John McCain Republican 29,342 56.3% 14.6 pts 52,142
Williams John McCain Republican 9,880 53.7% 9.3 pts 18,397
Wood Barack Obama Democratic 34,285 52.7% 7.1 pts 65,023
Wyandot John McCain Republican 6,270 57.1% 16.5 pts 10,977

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Frequently Asked Questions

Which party won the most counties in Ohio in 2008?

The Republican candidate won 66 of Ohio's 88 counties in 2008, with 22 counties going to the other major party.

Which Ohio county had the closest presidential result in 2008?

Jefferson had the closest margin in Ohio in 2008, with Barack Obama (Democratic) winning by 0.2 points out of 35,939 total votes cast.

Which Ohio county had the widest presidential margin in 2008?

Mercer had the widest margin in Ohio in 2008, with John McCain (Republican) winning by 43.5 points.

How many counties are included in Ohio's 2008 presidential results?

This page covers 88 counties in Ohio for the 2008 presidential election, based on MEDSL/EveryElectionResult.com county-level returns.