Politics & Elections in Ohio

Election results, representatives and voting trends.

Democratic presidential vote share
43.9%
2024 · MIT Election Data and Science Lab
Governor
Mike DeWine (R)
National Governors Association
Democratic vote share, U.S. Senate elections
46.5%
2024 · MIT Election Data and Science Lab
U.S. House seats apportioned to Ohio
15
2020 · U.S. Census Bureau
Total votes cast for president
5,767,788
2024 · MIT Election Data and Science Lab
Statehouse
Republican trifecta

Election Results

Recent presidential votes.

Democratic presidential vote share
43.9%
2024 · MIT Election Data and Science Lab
Republican presidential vote share
55.1%
2024 · MIT Election Data and Science Lab
2024 winner
Republican
2024 margin
+11.2 pts
2020 margin
+8.0 pts (R)

Democratic presidential vote share

1976–2024
43.9%

MIT Election Data and Science Lab, compiled from certified state results (Harvard Dataverse).

Republican presidential vote share

1976–2024
55.1%

MIT Election Data and Science Lab, compiled from certified state results (Harvard Dataverse).

IndicatorOhioU.S.
2024 Republican margin (pts)2024, official results11.21.5
  • •Ohio voted for the winning presidential candidate in every election from 1964 to 2016.

Governors

State executive.

Governor
Mike DeWine (R)
National Governors Association
In office since
2019
National Governors Association
Governors listed
59
1803–present · National Governors Association
Term limit
2 terms
Governors of Ohio
GovernorPartyIn office
Mike DeWineRepublican2019–present
John KasichRepublican2011–2019
Ted StricklandDemocratic2007–2011
Bob TaftRepublican1999–2007
Nancy P. HollisterRepublican1998–1999
George V. VoinovichRepublican1991–1998
Richard F. CelesteDemocratic1983–1991
John Joyce GilliganDemocratic1971–1975
Michael Vincent DiSalleDemocratic1959–1963
C. William O’NeillRepublican1957–1959
John William BrownRepublican1957–1957
Thomas J. HerbertRepublican1947–1949
John William BrickerRepublican1939–1945
Martin Luther DaveyDemocratic1935–1939
George WhiteDemocratic1931–1935
Myers Young CooperRepublican1929–1931
Alvin Victor DonaheyDemocratic1923–1929
Harry L. DavisRepublican1921–1923
Frank Bartlett WillisRepublican1915–1917
Judson HarmonDemocratic1909–1913
Andrew L. HarrisRepublican1906–1909
John M. PattisonDemocratic1906–1906
Myron Timothy HerrickRepublican1904–1906
George Kilbon NashRepublican1900–1904
Asa Smith BushnellRepublican1896–1900
William McKinleyRepublican1892–1896
James Edwin CampbellDemocratic1890–1892
Joseph Benson ForakerRepublican1886–1890
George HoadlyDemocratic1884–1886
Charles FosterRepublican1880–1884
Richard Moore BishopDemocratic1878–1880
Thomas L. YoungRepublican1877–1878
William AllenDemocratic1874–1876
Edward Follansbee NoyesRepublican1872–1832
Jacob Dolson CoxRepublican1866–1868
Charles AndersonUnion1865–1866
John BroughUnion1864–1865
David TodUnion1862–1864
William DennisonRepublican1860–1862
Salmon Portland ChaseRepublican1856–1860
William MedillDemocratic1853–1856
Reuben WoodDemocratic1850–1853
Seabury FordWhig1849–1850
William BebbWhig1846–1849
Mordecai BartleyWhig1844–1846
Thomas Welles BartleyDemocratic1844–1844
Thomas CorwinWhig1840–1842
Joseph VanceWhig1836–1838
Robert LucasDemocratic1832–1836
Duncan McArthurNational Republican1830–1832
Jeremiah MorrowDemocratic-Republican1822–1826
Allen TrimbleDemocratic-Republican1822–1822
Ethan Allen BrownDemocratic-Republican1818–1822
Thomas WorthingtonDemocratic-Republican1814–1818
Othneil LookerDemocratic-Republican1814–1814
Return Jonathan MeigsDemocratic-Republican1810–1814
Samuel HuntingtonDemocratic-Republican1808–1810
Thomas KirkerDemocratic-Republican1807–1808
Edward TiffinDemocratic-Republican1803–1807

Source: National Governors Association, current and former governors.

IndicatorOhioU.S.
Years of Republican controlsince 2011140

Senators

U.S. Senate delegation.

Democratic vote share, U.S. Senate elections
46.5%
2024 · MIT Election Data and Science Lab
Republican vote share, U.S. Senate elections
50.1%
2024 · MIT Election Data and Science Lab
Senate seats
2
Composition
2 Republicans
Notable
JD Vance seat (2023-2025)

Democratic vote share, U.S. Senate elections

1976–2024
46.5%

MIT Election Data and Science Lab, compiled from certified state results (Harvard Dataverse). Regular-term races; special elections only when no regular race was held. Independents (e.g. caucusing with Democrats) are not counted as Democratic; years without a Democratic nominee are omitted.

Republican vote share, U.S. Senate elections

1976–2024
50.1%

MIT Election Data and Science Lab, compiled from certified state results (Harvard Dataverse).

IndicatorOhioU.S.
U.S. Senate seats20252100

Representatives

U.S. House delegation.

U.S. House seats apportioned to Ohio
15
2020 · U.S. Census Bureau
House seats
15
Republicans
10
Democrats
5

U.S. House seats apportioned to Ohio

1910–2020
15▼ 32%

U.S. Census Bureau, decennial apportionment counts.

IndicatorOhioU.S.
U.S. House seats202415435

Party Distribution

Partisan balance.

Statehouse
Republican trifecta
Urban counties
Democratic