- Lead
- 1,317
- Total
- 33,337
- vs nation
- D+5.4
Indiana 12th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,945
- Total
- 35,299
- vs nation
- D+3.9
- Lead
- 1,793
- Total
- 32,168
- vs nation
- D+3.5
- Lead
- 5,087
- Total
- 31,386
- vs nation
- D+12.4
- Lead
- 6,356
- Total
- 32,262
- vs nation
- D+12.4
- Lead
- 2,223
- Total
- 29,338
- vs nation
- D+10.0
- Lead
- 2,948
- Total
- 27,298
- vs nation
- D+10.3
- Lead
- 4,721
- Total
- 25,824
- vs nation
- D+9.8
Key facts
- 2024 presidential margin
- D+4.0MIT Election Lab
- Population
- 68,3652024 5-year
- Population density
- 2,768 / sq mi2024 5-year · TIGER/Line
- Land area
- 24.7 sq miTIGER/Line
- Median household income
- $87,5332024 5-year
- White (non-Hispanic)
- 66.3%2024 5-year
- Black
- 9.4%2024 5-year
- Hispanic / Latino
- 17.5%2024 5-year
- Peak Democratic margin
- D+19.7 in 2008MIT Election Lab
- Peak Republican margin
- R+57.3 in 1920MIT Election Lab
- Most similar
- State House District 36, IL · twin score 80.8
presidential history
Party record book
Indiana 12th 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
Barack Obama2008
59.0%
19,027 votes · D+19.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 57.8%
Republican
Warren G. Harding1920
72.3%
5,017 votes · R+57.3 · modeled estimate
Runner-up · James A. Garfield, 1880 · 70.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
19,027votes
59.0% of the vote · D+19.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 18,833 votes
Republican
Richard Nixon1972
21,676votes
63.6% of the vote · R+28.0 · modeled estimate
Runner-up · Ronald Reagan, 1980 · 17,900 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
+13.3pts D vs U.S.
Place R+4.9 · U.S. R+18.2 · modeled estimate
Runner-up · Barack Obama, 2008 · +12.4 pts
Republican
Warren G. Harding1920
+31.1pts R vs U.S.
Place R+57.3 · U.S. R+26.2 · modeled estimate
Runner-up · Charles E. Hughes, 1916 · +30.4 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 | 57.3%15,872 | 42.7%11,821 | 27,693 |
Indiana 12th State House District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 19.7 points in 2008 and a Republican high of 57.3 points in 1920. Between 2020 and 2024 the district moved 4.4 points toward the Republican candidate; the 2024 margin was 4.0 points.
A population of 68,365, a 66% non-Hispanic-white share, and a median household income of $87,533 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 36 and Assembly District 20.
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 12th State House District. Akashic. https://akashic.app/sld-lower/18012/. Accessed May 20, 2026. License: CC BY 4.0.