- Lead
- 11,694
- Total
- 201,639
- vs nation
- R+4.3
Ohio 27th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 7,528
- Total
- 202,941
- vs nation
- R+8.2
- Lead
- 8,662
- Total
- 186,413
- vs nation
- R+6.7
- Lead
- 10,272
- Total
- 185,738
- vs nation
- D+1.7
- Lead
- 15,712
- Total
- 191,545
- vs nation
- D+0.9
- Lead
- 9,386
- Total
- 189,345
- vs nation
- D+7.4
- Lead
- 3,718
- Total
- 155,078
- vs nation
- D+1.9
- Lead
- 18,600
- Total
- 145,749
- vs nation
- D+4.2
Key facts
- 2024 presidential margin
- R+5.8MIT Election Lab
- Population
- 370,2142024 5-year
- Population density
- 498 / sq mi2024 5-year · TIGER/Line
- Land area
- 743 sq miTIGER/Line
- Median household income
- $82,9332024 5-year
- White (non-Hispanic)
- 83.7%2024 5-year
- Black
- 6.3%2024 5-year
- Hispanic / Latino
- 2.1%2024 5-year
- Peak Democratic margin
- D+30.2 in 1964MIT Election Lab
- Peak Republican margin
- R+47.5 in 1928MIT Election Lab
- Most similar
- State Senate District 49, PA · twin score 71.0
presidential history
Party record book
Ohio 27th 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
Lyndon B. Johnson1964
65.1%
74,238 votes · D+30.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 63.4%
Republican
Herbert Hoover1928
73.4%
43,979 votes · R+47.5 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 66.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
102,040votes
53.3% of the vote · D+8.2 · modeled estimate
Runner-up · John Kerry, 2004 · 98,949 votes
Republican
Donald Trump2024
105,714votes
52.4% of the vote · R+5.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 103,802 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
+13.8pts D vs U.S.
Place R+9.4 · U.S. R+23.2 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +11.2 pts
Republican
Herbert Hoover1928
+30.1pts R vs U.S.
Place R+47.5 · U.S. R+17.5 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +21.7 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 | 46.5%85,253 | 53.5%98,185 | 183,438 |
| 2020 | R | 47.2%86,793 | 52.8%97,038 | 183,831 |
Ohio 27th State Senate District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 30.2 points in 1964 and a Republican high of 47.5 points in 1928. Between 2020 and 2024 the district moved 2.1 points toward the Republican candidate; the 2024 margin was 5.8 points.
A population of 370,214, a 84% non-Hispanic-white share, and a median household income of $82,933 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 49 and State Senate District 58.
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 27th State Senate District. Akashic. https://akashic.app/sld-upper/39027/. Accessed May 20, 2026. License: CC BY 4.0.