Demographics & People — Decatur, Indiana
Population Overview
| Population (Census) | 9,769 |
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| Estimated 2026 | ~9,900 |
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| Median Age | 44.6 |
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| Total Households | 4,360 |
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| Family Households | 2,368 |
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| Average Household Size | 2.17 |
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| Diversity Index | 0.1942 (relatively homogeneous) |
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Race & Ethnicity
| White | 8,795 |
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| Black or African American | 111 |
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| Asian | 1 |
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| Hispanic or Latino | 948 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 3,018 |
| Unclassified or not reported | 2,744 |
| Other groups | 2,185 |
| English | 857 |
| Hispanic: Hispanic or Latino | 806 |
| Irish | 799 |
| Hispanic: Mexican | 711 |
| American | 476 |
| Swiss | 341 |
| French (except Basque) | 314 |
Language
| English Only | 8,734 |
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| Spanish | 169 |
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| Population 5+ | 9,007 |
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Veterans
| Veterans | 374 |
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| Population 18+ | 7,587 |
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Commuting
| Mean Commute Time | 26.9 minutes |
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| Work from Home | 3.3% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Decatur, Indiana.
