- Lead
- 19,359
- Total
- 32,635
- vs nation
- R+57.8
Indiana 55th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 19,034
- Total
- 32,906
- vs nation
- R+62.3
- Lead
- 16,715
- Total
- 30,701
- vs nation
- R+56.5
- Lead
- 9,148
- Total
- 28,556
- vs nation
- R+35.9
- Lead
- 6,617
- Total
- 29,919
- vs nation
- R+29.4
- Lead
- 9,792
- Total
- 29,042
- vs nation
- R+31.3
- Lead
- 7,145
- Total
- 25,439
- vs nation
- R+28.6
- Lead
- 2,539
- Total
- 25,524
- vs nation
- R+18.5
Key facts
- 2024 presidential margin
- R+59.3MIT Election Lab
- Population
- 67,3692024 5-year
- Population density
- 71 / sq mi2024 5-year · TIGER/Line
- Land area
- 953 sq miTIGER/Line
- Median household income
- $68,4962024 5-year
- White (non-Hispanic)
- 94.4%2024 5-year
- Black
- 0.5%2024 5-year
- Hispanic / Latino
- 1.5%2024 5-year
- Peak Democratic margin
- D+18.8 in 1912MIT Election Lab
- Peak Republican margin
- R+59.3 in 2024MIT Election Lab
- Most similar
- State House District 67, IN · twin score 98.0
presidential history
Party record book
Indiana 55th 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
56.9%
15,532 votes · D+14.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 55.3%
Republican
Donald Trump2024
79.0%
25,773 votes · R+59.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 78.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
15,532votes
56.9% of the vote · D+14.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 14,782 votes
Republican
Donald Trump2024
25,773votes
79.0% of the vote · R+59.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 25,716 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
+19.0pts D vs U.S.
Place R+7.2 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · +14.5 pts
Republican
Donald Trump2020
+62.3pts R vs U.S.
Place R+57.8 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +57.8 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 |
|---|---|---|---|---|
| 2020 | R | 19.7%5,786 | 80.3%23,541 | 29,327 |
With a 59.3-point Republican presidential margin in 2024, this rural Indiana district ranks among the state's most one-sided constituencies, reflecting the deep conservative alignment common to low-density Midwestern legislative seats.
Across the recorded series it reached a Democratic high of 18.8 points in 1912 and a Republican high of 59.3 points in 2024. Between 2020 and 2024 the district moved 1.5 points toward the Republican candidate; the 2024 margin was 59.3 points.
A population of 67,369, a 94% non-Hispanic-white share, and a median household income of $68,496 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 67 and State House District 70.
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 →
Indiana 55th State House District. Akashic. https://akashic.app/sld-lower/18055/. Accessed May 20, 2026. License: CC BY 4.0.