- Lead
- 17,819
- Total
- 165,539
- vs nation
- R+9.3
Ohio 3rd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,788
- Total
- 167,705
- vs nation
- R+12.7
- Lead
- 13,847
- Total
- 153,936
- vs nation
- R+11.1
- Lead
- 9,128
- Total
- 150,702
- vs nation
- R+9.9
- Lead
- 12,921
- Total
- 148,873
- vs nation
- R+16.0
- Lead
- 26,561
- Total
- 144,052
- vs nation
- R+16.0
- Lead
- 26,578
- Total
- 115,272
- vs nation
- R+23.6
- Lead
- 18,759
- Total
- 110,532
- vs nation
- R+25.5
Key facts
- 2024 presidential margin
- R+10.8MIT Election Lab
- Population
- 362,3882024 5-year
- Population density
- 308 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,175 sq miTIGER/Line
- Median household income
- $74,4262024 5-year
- White (non-Hispanic)
- 70.6%2024 5-year
- Black
- 16.5%2024 5-year
- Hispanic / Latino
- 5.1%2024 5-year
- Peak Democratic margin
- D+4.0 in 1912MIT Election Lab
- Peak Republican margin
- R+50.7 in 1972MIT Election Lab
- Most similar
- State Senate District 6, MD · twin score 76.1
presidential history
Party record book
Ohio 3rd 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
Samuel J. Tilden1876
50.4%
6,835 votes · D+1.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 50.3%
Republican
Ronald Reagan1984
74.5%
83,945 votes · R+50.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · 74.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
75,589votes
45.1% of the vote · R+8.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · 73,319 votes
Republican
Donald Trump2024
91,138votes
55.1% of the vote · R+10.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 89,377 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
+5.5pts D vs U.S.
Place R+20.7 · U.S. R+26.2 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · −2.6 pts
Republican
Richard Nixon1960
+37.5pts R vs U.S.
Place R+37.3 · U.S. D+0.2 · modeled estimate
Runner-up · George H. W. Bush, 1988 · +34.3 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 | 52.6%83,131 | 47.4%74,906 | 158,037 |
| 2020 | D | 51.3%84,641 | 48.7%80,349 | 164,990 |
Ohio 3rd State Senate District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 4.0 points in 1912 and a Republican high of 50.7 points in 1972. Between 2020 and 2024 the district moved 2.5 points toward the Republican candidate; the 2024 margin was 10.8 points.
A population of 362,388, a 71% non-Hispanic-white share, and a median household income of $74,426 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 6 and State Senate District 20.
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 3rd State Senate District. Akashic. https://akashic.app/sld-upper/39003/. Accessed May 20, 2026. License: CC BY 4.0.