- Lead
- 26,308
- Total
- 35,962
- vs nation
- D+74.6
Ohio 20th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 33,628
- Total
- 43,533
- vs nation
- D+72.8
- Lead
- 41,534
- Total
- 50,732
- vs nation
- D+79.8
- Lead
- 47,028
- Total
- 54,978
- vs nation
- D+81.7
- Lead
- 48,138
- Total
- 56,490
- vs nation
- D+77.9
- Lead
- 46,618
- Total
- 55,312
- vs nation
- D+86.7
- Lead
- 37,110
- Total
- 45,765
- vs nation
- D+80.6
- Lead
- 35,431
- Total
- 45,023
- vs nation
- D+70.2
Key facts
- 2024 presidential margin
- D+73.2MIT Election Lab
- Population
- 125,1342024 5-year
- Population density
- 3,815 / sq mi2024 5-year · TIGER/Line
- Land area
- 32.8 sq miTIGER/Line
- Median household income
- $33,8362024 5-year
- White (non-Hispanic)
- 21.7%2024 5-year
- Black
- 64.9%2024 5-year
- Hispanic / Latino
- 5.1%2024 5-year
- Peak Democratic margin
- D+87.2 in 1964MIT Election Lab
- Peak Republican margin
- R+0.1 in 1924MIT Election Lab
- Most similar
- State House District 22, OH · twin score 97.8
presidential history
Party record book
Ohio 20th 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
Lyndon B. Johnson1964
93.6%
55,930 votes · D+87.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 92.4%
Republican
Warren G. Harding1920
26.4%
3,107 votes · D+41.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 24.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
55,930votes
93.6% of the vote · D+87.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 52,020 votes
Republican
Dwight D. Eisenhower1956
7,182votes
17.2% of the vote · D+65.6 · modeled estimate
Runner-up · Richard Nixon, 1972 · 6,757 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
Walter Mondale1984
+93.4pts D vs U.S.
Place D+75.2 · U.S. R+18.2 · modeled estimate
Runner-up · George McGovern, 1972 · +90.6 pts
Republican
Calvin Coolidge1924
−25.1pts R vs U.S.
Place R+0.1 · U.S. R+25.2 · a third-party candidate carried the Place · modeled estimate
Runner-up · William H. Taft, 1912 · −46.2 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Ohio 20th State House District sits in the Industrial Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 87.2 points in 1964 and a Republican high of 0.1 points in 1924. Between 2020 and 2024 the district moved 4.1 points toward the Republican candidate; the 2024 margin was 73.2 points.
A population of 125,134, a 22% non-Hispanic-white share, and a median household income of $33,836 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 22 and State House District 33.
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 20th State House District. Akashic. https://akashic.app/sld-lower/39020/. Accessed May 20, 2026. License: CC BY 4.0.