- Lead
- 19,665
- Total
- 198,716
- vs nation
- R+8.4
Ohio 8th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 21,633
- Total
- 204,974
- vs nation
- R+15.0
- Lead
- 35,095
- Total
- 194,723
- vs nation
- R+20.1
- Lead
- 45,874
- Total
- 197,884
- vs nation
- R+27.0
- Lead
- 45,496
- Total
- 200,480
- vs nation
- R+30.0
- Lead
- 70,978
- Total
- 207,436
- vs nation
- R+31.8
- Lead
- 72,448
- Total
- 187,890
- vs nation
- R+39.1
- Lead
- 61,809
- Total
- 182,600
- vs nation
- R+42.4
Key facts
- 2024 presidential margin
- R+9.9MIT Election Lab
- Population
- 358,2272024 5-year
- Population density
- 1,372 / sq mi2024 5-year · TIGER/Line
- Land area
- 261 sq miTIGER/Line
- Median household income
- $86,6662024 5-year
- White (non-Hispanic)
- 75.3%2024 5-year
- Black
- 15.2%2024 5-year
- Hispanic / Latino
- 2.6%2024 5-year
- Peak Republican margin
- R+61.2 in 1904MIT Election Lab
- Most similar
- State Senate District 7, OH · twin score 91.1
presidential history
Party record book
Ohio 8th 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
Kamala Harris2024
44.5%
88,515 votes · R+9.9 · modeled estimate
Runner-up · Joe Biden, 2020 · 43.9%
Republican
Dwight D. Eisenhower1956
78.2%
138,408 votes · R+56.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 77.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
90,051votes
43.9% of the vote · R+10.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 88,515 votes
Republican
Ronald Reagan1984
153,639votes
75.9% of the vote · R+52.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · 149,174 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
−8.4pts D vs U.S.
Place R+9.9 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · −15.0 pts
Republican
Gerald Ford1976
+49.5pts R vs U.S.
Place R+47.4 · U.S. D+2.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +44.9 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 | 58.2%99,883 | 41.8%71,727 | 171,610 |
| 2020 | D | 53.9%96,552 | 46.1%82,707 | 179,259 |
Ohio 8th State Senate District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 61.2 points in 1904. Between 2020 and 2024 the district moved 0.7 points toward the Democratic candidate; the 2024 margin was 9.9 points.
A population of 358,227, a 75% non-Hispanic-white share, and a median household income of $86,666 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 7 and State Senate District 12.
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 8th State Senate District. Akashic. https://akashic.app/sld-upper/39008/. Accessed May 20, 2026. License: CC BY 4.0.