HarrisDemocratic25.3%5,967TrumpRepublican73.0%17,185OtherAll other candidates1.7%402
R+47.6- Lead
- 11,218
- Total
- 23,554
- vs nation
- R+46.2
modeled Census-place estimatemodeled estimate
Akashicstate house district
Indiana 51st State House District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic25.7%6,051TrumpRepublican72.6%17,105OtherAll other candidates1.8%418
R+46.9- Lead
- 11,054
- Total
- 23,574
- vs nation
- R+51.3
modeled Census-place estimatemodeled estimate
ClintonDemocratic23.9%5,132TrumpRepublican70.2%15,052OtherAll other candidates5.8%1,250
R+46.3- Lead
- 9,920
- Total
- 21,434
- vs nation
- R+48.4
modeled Census-place estimatemodeled estimate
ObamaDemocratic33.7%6,859RomneyRepublican64.0%13,023OtherAll other candidates2.3%460
R+30.3- Lead
- 6,164
- Total
- 20,342
- vs nation
- R+34.2
modeled Census-place estimatemodeled estimate
ObamaDemocratic42.0%8,799McCainRepublican56.2%11,785OtherAll other candidates1.8%381
R+14.2- Lead
- 2,986
- Total
- 20,965
- vs nation
- R+21.5
modeled Census-place estimatemodeled estimate
KerryDemocratic31.4%6,086BushRepublican67.8%13,130OtherAll other candidates0.8%159
R+36.4- Lead
- 7,044
- Total
- 19,375
- vs nation
- R+33.9
modeled Census-place estimatemodeled estimate
GoreDemocratic35.2%6,093BushRepublican63.2%10,948OtherAll other candidates1.6%274
R+28.0- Lead
- 4,855
- Total
- 17,315
- vs nation
- R+28.6
modeled Census-place estimatemodeled estimate
ClintonDemocratic36.3%6,082DoleRepublican50.2%8,404OtherAll other candidates13.5%2,252
R+13.9- Lead
- 2,322
- Total
- 16,738
- vs nation
- R+22.4
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+47.6MIT Election Lab
- Population
- 68,4462024 5-year
- Population density
- 117 / sq mi2024 5-year · TIGER/Line
- Land area
- 584 sq miTIGER/Line
- Median household income
- $78,4342024 5-year
- White (non-Hispanic)
- 92.3%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 4.4%2024 5-year
- Peak Democratic margin
- D+8.2 in 1932MIT Election Lab
- Peak Republican margin
- R+47.6 in 2024MIT Election Lab
- Most similar
- State House District 79, IN · twin score 96.4
presidential history
Party record book
Indiana 51st 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
Franklin D. Roosevelt1932
53.2%
6,290 votes · D+8.2 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 50.0%
Republican
Donald Trump2024
73.0%
17,185 votes · R+47.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 72.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
8,799votes
42.0% of the vote · R+14.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 6,859 votes
Republican
Donald Trump2024
17,185votes
73.0% of the vote · R+47.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 17,105 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
Franklin D. Roosevelt1932
−9.6pts D vs U.S.
Place D+8.2 · U.S. D+17.8 · modeled estimate
Runner-up · John W. Davis, 1924 · −9.8 pts
Republican
Donald Trump2020
+51.3pts R vs U.S.
Place R+46.9 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +48.4 pts
current representation
Current officeholders
RTony IsaState House · 51
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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 25.0%5,457 | 75.0%16,394 | 21,851 |
| 2020 | R | 23.3%5,407 | 76.7%17,767 | 23,174 |
District 51 recorded an R+47.6 presidential margin in 2024, placing it among the most lopsided state house districts in Indiana. Its roughly 68,000 residents reflect a heavily rural or small-town demographic profile typical of such outsized margins.
Across the recorded series it reached a Democratic high of 8.2 points in 1932 and a Republican high of 47.6 points in 2024. Between 2020 and 2024 the district moved 0.7 points toward the Republican candidate; the 2024 margin was 47.6 points.
A population of 68,446, a 92% non-Hispanic-white share, and a median household income of $78,434 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 79 and State House District 129.
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State House District 79
Indiana
96.4twin score
2016–2024 trajectory% Evangelical
State House District 129
Missouri
95.6twin score
2016–2024 trajectory% Evangelical
State House District 51
Missouri
95.4twin score
2016–2024 trajectoryelasticity
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Indiana 51st State House District. Akashic. https://akashic.app/sld-lower/18051/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Indiana at the ballot boxAll elections →
Places within Indiana 51st State House District
counties it covers2
Frequently asked questions
How did Indiana 51st State House District vote in 2024?
In 2024, Indiana 51st State House District voted Republican by 47.6 points (R+47.6), carried by the Republican candidate. Out of 23,554 votes cast, 5,967 went Democratic and 17,185 went Republican.
When did Indiana 51st State House District last vote Democratic?
The most recent presidential election in which Indiana 51st State House District voted Democratic was 1964.
How many people live in Indiana 51st State House District?
Indiana 51st State House District has a population of 68,446 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Indiana 51st State House District?
Median household income in Indiana 51st State House District is $78,434 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of Indiana 51st State House District?
Akashic tracks 38 presidential elections in Indiana 51st State House District from 1876 to 2024. Of those, 2 went Democratic and 35 went Republican.