- Lead
- 659
- Total
- 67,111
- vs nation
- D+0.5
Ohio 31st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 641
- Total
- 67,792
- vs nation
- R+3.5
- Lead
- 1,417
- Total
- 62,104
- vs nation
- R+4.4
- Lead
- 2,718
- Total
- 62,051
- vs nation
- D+0.5
- Lead
- 3,864
- Total
- 64,285
- vs nation
- R+1.3
- Lead
- 1,454
- Total
- 64,342
- vs nation
- D+4.7
- Lead
- 396
- Total
- 52,664
- vs nation
- R+1.3
- Lead
- 4,079
- Total
- 50,440
- vs nation
- R+0.4
Key facts
- 2024 presidential margin
- R+1.0MIT Election Lab
- Population
- 124,3352024 5-year
- Population density
- 834 / sq mi2024 5-year · TIGER/Line
- Land area
- 149 sq miTIGER/Line
- Median household income
- $77,9952024 5-year
- White (non-Hispanic)
- 83.9%2024 5-year
- Black
- 5.4%2024 5-year
- Hispanic / Latino
- 2.1%2024 5-year
- Peak Democratic margin
- D+29.2 in 1936MIT Election Lab
- Peak Republican margin
- R+51.7 in 1904MIT Election Lab
- Most similar
- State House District 34, OH · twin score 89.5
presidential history
Party record book
Ohio 31st State House 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
Franklin D. Roosevelt1936
63.5%
19,150 votes · D+29.2 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 62.5%
Republican
Herbert Hoover1928
75.3%
20,641 votes · R+51.3 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 70.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
33,687votes
49.7% of the vote · D+0.9 · modeled estimate
Runner-up · Barack Obama, 2008 · 33,670 votes
Republican
Donald Trump2024
33,562votes
50.0% of the vote · R+1.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 33,046 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
George McGovern1972
+10.1pts D vs U.S.
Place R+13.1 · U.S. R+23.2 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +9.5 pts
Republican
Herbert Hoover1928
+33.8pts R vs U.S.
Place R+51.3 · U.S. R+17.5 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +32.0 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 | 54.6%33,756 | 45.4%28,026 | 61,782 |
| 2020 | D | 53.1%32,808 | 46.9%28,984 | 61,792 |
Ohio 31st State House District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 29.2 points in 1936 and a Republican high of 51.7 points in 1904. Between 2020 and 2024 the district moved 1.9 points toward the Republican candidate; the 2024 margin was 1.0 points.
A population of 124,335, a 84% non-Hispanic-white share, and a median household income of $77,995 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 34 and State House District 23.
The state-house 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 31st State House District. Akashic. https://akashic.app/sld-lower/39031/. Accessed May 20, 2026. License: CC BY 4.0.