Ohio 20th 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
59.9%
43,601 votes · D+19.8 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 58.2%
Republican
Ronald Reagan1984
73.1%
73,425 votes · R+47.1 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 69.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
68,249votes
41.8% of the vote · R+14.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 67,483 votes
Republican
Donald Trump2024
121,923votes
64.0% of the vote · R+28.9 · modeled estimate
Runner-up · Donald Trump, 2020 · 118,493 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
+22.5pts D vs U.S.
Place R+3.7 · U.S. R+26.2 · modeled estimate
Runner-up · William J. Bryan, 1908 · +16.6 pts
Republican
Donald Trump2020
+31.9pts R vs U.S.
Place R+27.4 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +30.3 pts
current representation
Current officeholders
RTim SchafferState Senate · 20
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
R
33.5%60,581
66.5%120,306
180,887
2020
R
31.8%56,140
68.2%120,435
176,575
Ohio 20th State Senate District sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 21.1 points in 1912 and a Republican high of 47.1 points in 1984. Between 2020 and 2024 the district moved 1.4 points toward the Republican candidate; the 2024 margin was 28.9 points.
A population of 359,774, a 85% non-Hispanic-white share, and a median household income of $86,524 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 10 and State Senate District 14.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Ohio 20th State Senate District. Akashic. https://akashic.app/sld-upper/39020/. Accessed May 20, 2026. License: CC BY 4.0.
How did Ohio 20th State Senate District vote in 2024?
In 2024, Ohio 20th State Senate District voted Republican by 28.9 points (R+28.9), carried by the Republican candidate. Out of 190,537 votes cast, 66,907 went Democratic and 121,923 went Republican.
When did Ohio 20th State Senate District last vote Democratic?
The most recent presidential election in which Ohio 20th State Senate District voted Democratic was 1964.
How many people live in Ohio 20th State Senate District?
Ohio 20th State Senate District has a population of 359,774 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ohio 20th State Senate District?
Median household income in Ohio 20th State Senate District is $86,524 — above the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Ohio 20th State Senate District?
Akashic tracks 38 presidential elections in Ohio 20th State Senate District from 1876 to 2024. Of those, 13 went Democratic and 25 went Republican.