HarrisDemocratic43.9%2,533,699TrumpRepublican55.1%3,180,116OliverLibertarian0.5%28,200
R+11.2- Lead
- 646,417
- Total
- 5,767,788
- vs nation
- R+9.7
- Turnout
- 65.3%
Key facts
- 2024 presidential margin
- R+11.2MIT Election Lab
- Population
- 11,810,2932024 5-year
- Population density
- 289 / sq mi2024 5-year · TIGER/Line
- Land area
- 40,858 sq miTIGER/Line
- Median household income
- $71,3892024 5-year
- White (non-Hispanic)
- 75.8%2024 5-year
- Black
- 12.0%2024 5-year
- Hispanic / Latino
- 4.8%2024 5-year
- Peak Democratic margin
- D+25.9 in 1964MIT Election Lab
- Peak Republican margin
- R+34.6 in 1924MIT Election Lab
- Most similar
- Missouri, MO · twin score 69.1
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 65.3%5,851,625 participants ÷ 8,956,209 CVAP
- 2020→2022 drop-off
- +20.5 ptsPresidential-dependent
- Drop-off versus state
- 0.0 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 44.8%–48.7%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 5,607,641 | 8,734,125 | 64.2% | B/A |
| 2018 · Midterm | 4,520,678 | 8,797,915 | 51.4% | B/A |
| 2020 · Presidential | 5,974,121 | 8,855,290 | 67.5% | B/A |
| 2022 · Midterm | 4,201,368 | 8,948,188 | 47.0% | B/A |
| 2024 · Presidential | 5,851,625 | 8,956,209 | 65.3% | B/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-state-v1:observed:aggregated; allocation share 0.0%; series 276/110.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-state-v1:observed:aggregated; allocation share 0.0%; series 279/137.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-state-v1:observed:aggregated; allocation share 0.0%; series 282/1.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-state-v1:observed:aggregated; allocation share 0.0%; series 285/182.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-state-v1:observed:aggregated; allocation share 0.0%; series 288/227.
presidential history
Party record book
Ohio · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
62.9%
2,498,331 votes · D+25.9
Runner-up · Franklin D. Roosevelt, 1936 · 58.0%
Republican
Herbert Hoover1928
64.9%
1,627,546 votes · R+30.4
Runner-up · Dwight D. Eisenhower, 1956 · 61.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
2,940,044votes
51.4% of the vote · D+4.6
Runner-up · Barack Obama, 2012 · 2,827,709 votes
Republican
Donald Trump2024
3,180,116votes
55.1% of the vote · R+11.2
Runner-up · Donald Trump, 2020 · 3,154,834 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
James M. Cox1920
+6.3pts D vs U.S.
Place R+19.9 · U.S. R+26.2
Runner-up · Woodrow Wilson, 1916 · +4.5 pts
Republican
Herbert Hoover1932
+14.9pts R vs U.S.
Place D+2.8 · U.S. D+17.8
Runner-up · Herbert Hoover, 1928 · +13.0 pts
2026 election
On the ballot
Governoropen seat
Vivek RamaswamynomineeAmy Actonnominee
OPEN seat: incumbent Gov. Mike DeWine (R) is term-limited (no third consecutive term). Vivek Ramaswamy won the Republican primary (Trump-endorsed; only nominal opposition). Former Ohio Dept. of Health director Amy Acton won the Democratic primary unopposed. Earlier-speculated Democrats Tim Ryan and Sherrod Brown did not run.
U.S. Senate
Sherrod BrownnomineeJon HustednomineeWilliam Redpathnominee
SPECIAL (Class 3, Vance→VP). Husted (R, appointed) running. Sherrod Brown (D) won primary ~89.4%.
U.S. House elections · 469 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
| Year | Seats won | D % | R % | Total |
|---|---|---|---|---|
| D 5 · R 10 | 42.8% | 55.7% | 5,570,784 | |
| D 5 · R 10 | 43.6% | 56.4% | 4,109,711 | |
| D 4 · R 12 | 42.5% | 56.5% | 5,761,540 | |
| D 4 · R 12 | 47.3% | 52.0% | 4,406,358 |
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 7,861,025 |
| 2018 | 8,070,917 |
| 2020 | 8,073,829 |
| 2022 | 8,029,950 |
| 2024 | 8,074,098 |
domestic migration
Who moves in and out
Net domestic migration over time
+11,926 net domestic migration · 2025
20112025
Net −236,631 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −36,491 |
| 2012 | −39,094 |
| 2013 | −20,099 |
| 2014 | −21,352 |
| 2015 | −30,255 |
| 2016 | −28,077 |
| 2017 | −8,334 |
| 2018 | −12,281 |
| 2019 | −12,916 |
| 2021 | −32,482 |
| 2022 | −6,882 |
| 2023 | +1,045 |
| 2024 | −1,339 |
| 2025 | +11,926 |
Monroe County backed Obama by nine points in 2008; in 2024 it voted Republican by sixty.
- A streak, then a break
- Backed the national winner every cycle 1964–2016; went R+8.0 in 2020 against the national result and R+11.2 in 2024 · MIT Election Lab
- The three Cs
- Cuyahoga (Cleveland) D+31.4, Franklin (Columbus) D+28.4, Hamilton (Cincinnati) D+14.9 — seven of 88 counties went Democratic · MIT Election Lab 2024
- The growing county
- Franklin cast 598,225 votes — the most of any Ohio county, ahead of Cuyahoga’s 576,520 — and still moves toward the Democrats · MIT Election Lab 2024
- Appalachia’s long swing
- Monroe County: D+9.2 for Obama in 2008 → R+59.7 in 2024, a shift of nearly 70 points · MIT Election Lab
- The poles in 2024
- Cuyahoga the bluest at D+31.4; Holmes, in the Amish country, the reddest at R+69.2 · MIT Election Lab 2024
- Two open offices in 2026
- DeWine term-limited — Ramaswamy (R) vs Acton (D) for governor; Vance’s seat, held by appointee Husted (R), draws former Sen. Brown (D) · Akashic 2026 forecast
Political twins — states
The states whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Missouri
Missouri
69.1twin score
% Latino% Whitemedian income
Iowa
Iowa
56.9twin score
12-yr trend2020 margincollege share≠ population scale
Pennsylvania
Pennsylvania
53.3twin score
population scale% Whiteelasticity≠ Puerto Rican ancestry
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Ohio. Akashic. https://akashic.app/state/OH/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Ohio
Frequently asked questions
How did Ohio vote in 2024?
In 2024, Ohio voted Republican by 11.2 points (R+11.2), carried by the Republican candidate. Out of 5,767,788 votes cast, 2,533,699 went Democratic and 3,180,116 went Republican.
When did Ohio last vote Democratic?
The most recent presidential election in which Ohio voted Democratic was 2012.
How many people live in Ohio?
Ohio has a population of 11,810,293 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ohio?
Median household income in Ohio is $71,389 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Ohio?
Akashic tracks 34 presidential elections in Ohio from 1892 to 2024. Of those, 12 went Democratic and 22 went Republican.