Decatur, IN
Latest: 2024
Safe Republican — 36K residents — 1 counties
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 92.7% |
▶Hispanic / Latino(9) | 4.8% |
▶Black / African American(2) | 0.3% |
▶Asian(3) | 0.4% |
▶Native American / Alaska Native(1) | 0.5% |
Multiracial / Other | 1.4% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Evangelical Protestant | 59.4% | 72.9% |
| Catholic | 8.3% | 10.2% |
| Mainline Protestant | 7.1% | 8.7% |
| Black Protestant | 5.8% | 7.1% |
| Other | 0.9% | 1.1% |
| LDS (Mormon) | 0.9% | 1.1% |
| Non-religious | 18.5% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Trump+52.6 |
| 2020 | Trump+52.4 |
| 2016 | Trump+51.9 |
| 2012 | Romney+39.4 |
| 2008 | McCain+25.7 |
| 2004 | Bush+46.6 |
| 2000 | Bush+38.1 |
| 1996 | Dole+21.5 |
| 1992 | Bush+18.6 |
Decatur, IN is a metro area that has a population of 36,227. In the 2024 presidential election, it voted Republican with a margin of R+52.6. Akashic Edge tracks 40 presidential elections here, dating back to 1868.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 22.8% | 75.4% | R+52.6 | R+0.2 |
| 2020 | 22.8% | 75.2% | R+52.4 | R+0.6 |
| 2016 | 21.3% | 73.1% | R+51.9 | R+12.5 |
| 2012 | 29.2% | 68.6% | R+39.4 | R+13.7 |
| 2008 | 36.4% | 62.1% | R+25.7 | D+21.0 |
| 2004 | 26.3% | 73.0% | R+46.6 | R+8.5 |
| 2000 | 30.1% | 68.2% | R+38.1 | R+16.6 |
| 1996 | 33.6% | 55.1% | R+21.5 | R+2.8 |
| 1992 | 29.2% | 47.8% | R+18.6 | D+17.4 |
| 1988 | 31.8% | 67.8% | R+36.1 | R+2.3 |
| 1984 | 32.8% | 66.6% | R+33.8 | R+19.6 |
| 1980 | 39.0% | 53.2% | R+14.2 | R+2.0 |
| 1976 | 43.4% | 55.5% | R+12.1 | D+18.8 |
| 1972 | 34.3% | 65.2% | R+30.9 | R+21.1 |
| 1968 | 41.5% | 51.3% | R+9.8 | R+31.8 |
| 1964 | 60.5% | 38.5% | D+21.9 | D+45.0 |
| 1960 | 38.0% | 61.1% | R+23.1 | D+10.1 |
| 1956 | 32.9% | 66.1% | R+33.2 | R+9.6 |
| 1952 | 36.0% | 59.6% | R+23.6 | R+21.6 |
| 1948 | 48.1% | 50.1% | R+2.0 | — |
What defines Decatur, IN?
It has a working-class, predominantly white electorate — strong Republican base territory.
Constituent Counties
Similar metro areas
Nearest neighbors matched on the same place-page feature set used across the dossier system.
Washington, IN
Small-town rural republican 3
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Auburn, IN
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Crawfordsville, IN
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Peru, IN
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DeRidder, LA
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Plymouth, IN
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Greensburg, IN
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Counties in Decatur, IN
2024 presidential results across the counties that make up this geography.
Sort:
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Adams | 36K | R+52.6 | 3,179 | 10,528 | 13,966 | 100.0% |
1 countiesTotal votes: 13,966
Ask the Historian
Explore Decatur, IN's political evolution with the Historian
Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Republican in the last 5 presidential elections
- Latest election (2024) was a Republican landslide with a 52.6% margin
- Shifted 13.2 points toward Republicans over the last 4 elections
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | Decatur, IN | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 92.7% | 57.4% |
▶Hispanic / Latino(9) | 4.8% | 19.3% |
Multiracial / Other | 1.4% | 4.0% |
▶Native American / Alaska Native(1) | 0.5% | 0.9% |
▶Asian(3) | 0.4% | 6.0% |
▶Black / African American(2) | 0.3% | 12.2% |
Method notes
Religious Adherents
Population that are religious adherents:
81.5%
Catholic-Evangelical edge: -67.1pp (vs national 4.5pp). A strongly Evangelical-leaning religious profile, which nationally correlates with Republican-leaning rural and exurban communities.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 59.4% | 72.9% | — | — | |
| 8.3% | 10.2% | — | — | |
| 7.1% | 8.7% | — | — | |
| 5.8% | 7.1% | — | — | |
| 0.9% | 1.1% | — | — | |
LDS (Mormon) | 0.9% | 1.1% | — | — |
Non-religiousPopulation | 18.5% | — | — | — |
Who lives in the Decatur, IN metro area? 36,227 residents across 1 counties.
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
16% of adults hold a bachelor's degree — 17pp below the national average. Places with similar education levels vote R+22 on average nationally.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
36K
Share of U.S. population
0.01%
Voting-age population
67.2%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
$65,289
Poverty rate
11.2%
College degree
16.2%
Homeownership
83.5%
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
33.2 yrs
Age 18–29
14.6%
Age 65+
16.3%
Foreign born
1.6%
Non-English at home
16.0%
English only
84.0%
Turnout in Decatur, IN
Estimated using 2020 Census voting-age population.
57.4%
-1.0pp
24,345
1988–2024
How competitive is Decatur, IN?
Safe RAvg margin: R+52.3 (last 3 elections)
2008
R+25.7
2012
R+39.4
2016
R+51.9
2020
R+52.4
2024
R+52.6
26.9pp
0
R+44.4
Do voters in Decatur, IN split their tickets?
Divergence between offices in the same election reveals persuadable voters.
Heavy splitting (0/100)
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| Senate vs Governor | R+55.2 | R+44.7 | 10.5pp |
| President vs Governor | R+52.6 | R+44.7 | 7.9pp |
| President vs Senate | R+52.6 | R+55.2 | 2.6pp |
Average divergence across office pairs: 20.2pp
Located In
Decatur, IN sits inside these higher-level geographies.
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