- Lead
- 46,427
- Total
- 60,282
- vs nation
- D+78.5
Ohio 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 53,037
- Total
- 67,147
- vs nation
- D+74.5
- Lead
- 54,911
- Total
- 69,431
- vs nation
- D+77.0
- Lead
- 62,301
- Total
- 74,804
- vs nation
- D+79.4
- Lead
- 63,675
- Total
- 77,042
- vs nation
- D+75.4
- Lead
- 61,446
- Total
- 75,908
- vs nation
- D+83.4
- Lead
- 48,870
- Total
- 62,701
- vs nation
- D+77.4
- Lead
- 46,871
- Total
- 61,633
- vs nation
- D+67.5
Key facts
- 2024 presidential margin
- D+77.0MIT Election Lab
- Population
- 125,1332024 5-year
- Population density
- 3,910 / sq mi2024 5-year · TIGER/Line
- Land area
- 32 sq miTIGER/Line
- Median household income
- $61,6372024 5-year
- White (non-Hispanic)
- 32.3%2024 5-year
- Black
- 56.9%2024 5-year
- Hispanic / Latino
- 2.7%2024 5-year
- Peak Democratic margin
- D+84.6 in 1964MIT Election Lab
- Peak Republican margin
- R+3.8 in 1924MIT Election Lab
- Most similar
- State House District 99, LA · twin score 97.7
presidential history
Party record book
Ohio 18th 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
92.3%
75,356 votes · D+84.6 · modeled estimate
Runner-up · Barack Obama, 2012 · 91.4%
Republican
Warren G. Harding1920
29.5%
4,855 votes · D+36.0 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 29.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
75,356votes
92.3% of the vote · D+84.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 70,068 votes
Republican
Dwight D. Eisenhower1956
11,512votes
19.8% of the vote · D+60.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 10,713 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
+89.3pts D vs U.S.
Place D+71.1 · U.S. R+18.2 · modeled estimate
Runner-up · George McGovern, 1972 · +86.0 pts
Republican
Calvin Coolidge1924
−21.4pts R vs U.S.
Place R+3.8 · U.S. R+25.2 · a third-party candidate carried the Place · modeled estimate
Runner-up · William H. Taft, 1912 · −41.6 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 | 66.9%33,783 | 33.1%16,746 | 50,529 |
| 2020 | D | 64.7%37,546 | 35.3%20,498 | 58,044 |
Ohio 18th State House District sits in the Industrial Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 84.6 points in 1964 and a Republican high of 3.8 points in 1924. Between 2020 and 2024 the district moved 2.0 points toward the Republican candidate; the 2024 margin was 77.0 points.
A population of 125,133, a 32% non-Hispanic-white share, and a median household income of $61,637 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 99 and State House District 97.
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 18th State House District. Akashic. https://akashic.app/sld-lower/39018/. Accessed May 20, 2026. License: CC BY 4.0.