- Lead
- 47,224
- Total
- 151,414
- vs nation
- D+32.7
Ohio 25th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 55,610
- Total
- 161,334
- vs nation
- D+30.0
- Lead
- 43,204
- Total
- 156,159
- vs nation
- D+25.6
- Lead
- 37,559
- Total
- 149,646
- vs nation
- D+21.2
- Lead
- 33,834
- Total
- 146,839
- vs nation
- D+15.8
- Lead
- 16,183
- Total
- 136,893
- vs nation
- D+14.3
- Lead
- 3,813
- Total
- 107,902
- vs nation
- D+3.0
- Lead
- 6,362
- Total
- 104,606
- vs nation
- R+2.4
Key facts
- 2024 presidential margin
- D+31.2MIT Election Lab
- Population
- 353,7192024 5-year
- Population density
- 4,383 / sq mi2024 5-year · TIGER/Line
- Land area
- 80.7 sq miTIGER/Line
- Median household income
- $76,0992024 5-year
- White (non-Hispanic)
- 61.7%2024 5-year
- Black
- 17.9%2024 5-year
- Hispanic / Latino
- 8.6%2024 5-year
- Peak Democratic margin
- D+34.5 in 2020MIT Election Lab
- Peak Republican margin
- R+30.2 in 1924MIT Election Lab
- Most similar
- State Senate District 22, NC · twin score 88.4
presidential history
Party record book
Ohio 25th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
66.4%
107,109 votes · D+34.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 64.9%
Republican
Herbert Hoover1928
64.7%
23,322 votes · R+29.9 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 64.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
107,109votes
66.4% of the vote · D+34.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 98,320 votes
Republican
Ronald Reagan1984
63,235votes
62.7% of the vote · R+28.0 · modeled estimate
Runner-up · George W. Bush, 2004 · 59,918 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
Kamala Harris2024
+32.7pts D vs U.S.
Place D+31.2 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +30.0 pts
Republican
Herbert Hoover1932
+22.3pts R vs U.S.
Place R+4.5 · U.S. D+17.8 · modeled estimate
Runner-up · Richard Nixon, 1960 · +16.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 64.0%96,551 | 36.0%54,381 | 150,932 |
| 2020 | D | 62.5%101,058 | 37.5%60,685 | 161,743 |
Ohio 25th State Senate District sits in the Industrial Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 34.5 points in 2020 and a Republican high of 30.2 points in 1924. Between 2020 and 2024 the district moved 3.3 points toward the Republican candidate; the 2024 margin was 31.2 points.
A population of 353,719, a 62% non-Hispanic-white share, and a median household income of $76,099 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 22 and State Senate District 52.
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Ohio 25th State Senate District. Akashic. https://akashic.app/sld-upper/39025/. Accessed May 20, 2026. License: CC BY 4.0.