- Lead
- 41,762
- Total
- 172,156
- vs nation
- R+22.8
Ohio 4th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 38,843
- Total
- 175,860
- vs nation
- R+26.5
- Lead
- 42,762
- Total
- 166,234
- vs nation
- R+27.8
- Lead
- 37,446
- Total
- 160,921
- vs nation
- R+27.1
- Lead
- 34,082
- Total
- 164,308
- vs nation
- R+28.0
- Lead
- 47,776
- Total
- 157,106
- vs nation
- R+28.0
- Lead
- 35,656
- Total
- 128,863
- vs nation
- R+28.2
- Lead
- 20,097
- Total
- 115,606
- vs nation
- R+25.9
Key facts
- 2024 presidential margin
- R+24.3MIT Election Lab
- Population
- 368,9372024 5-year
- Population density
- 950 / sq mi2024 5-year · TIGER/Line
- Land area
- 389 sq miTIGER/Line
- Median household income
- $81,6662024 5-year
- White (non-Hispanic)
- 74.6%2024 5-year
- Black
- 9.2%2024 5-year
- Hispanic / Latino
- 6.7%2024 5-year
- Peak Democratic margin
- D+30.6 in 1876MIT Election Lab
- Peak Republican margin
- R+44.9 in 1984MIT Election Lab
- Most similar
- State Senate District 6, FL · twin score 89.1
presidential history
Party record book
Ohio 4th 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
65.2%
5,851 votes · D+30.6 · modeled estimate
Runner-up · Grover Cleveland, 1888 · 63.5%
Republican
Ronald Reagan1984
72.2%
70,824 votes · R+44.9 · modeled estimate
Runner-up · George H. W. Bush, 1988 · 67.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
67,205votes
38.2% of the vote · R+22.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 64,404 votes
Republican
Donald Trump2024
106,166votes
61.7% of the vote · R+24.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 106,048 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
+32.4pts D vs U.S.
Place D+6.2 · U.S. R+26.2 · modeled estimate
Runner-up · William J. Bryan, 1900 · +28.1 pts
Republican
George H. W. Bush1988
+28.7pts R vs U.S.
Place R+36.4 · U.S. R+7.7 · modeled estimate
Runner-up · George W. Bush, 2000 · +28.2 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 | R | 35.9%59,802 | 64.1%106,945 | 166,747 |
| 2020 | R | 35.7%60,457 | 64.3%108,694 | 169,151 |
Ohio 4th State Senate District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 30.6 points in 1876 and a Republican high of 44.9 points in 1984. Between 2020 and 2024 the district moved 2.2 points toward the Republican candidate; the 2024 margin was 24.3 points.
A population of 368,937, a 75% non-Hispanic-white share, and a median household income of $81,666 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 2.
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 4th State Senate District. Akashic. https://akashic.app/sld-upper/39004/. Accessed May 20, 2026. License: CC BY 4.0.