Demographics & People — Ottumwa, Iowa
Population Overview
| Population (Census) | 25,352 |
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| Estimated 2026 | ~25,600 |
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| Median Age | 36.7 |
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| Total Households | 10,213 |
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| Family Households | 6,293 |
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| Average Household Size | 2.41 |
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| Diversity Index | 0.3766 (somewhat diverse) |
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Race & Ethnicity
| White | 19,646 |
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| Black or African American | 1,176 |
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| Asian | 506 |
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| Hispanic or Latino | 4,156 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 7,800 |
| Other groups | 6,511 |
| German | 4,199 |
| Hispanic: Hispanic or Latino | 3,779 |
| English | 2,856 |
| Hispanic: Mexican | 2,670 |
| Irish | 2,365 |
| American | 1,585 |
| Dutch | 844 |
| Hispanic: Central American | 701 |
Language
| English Only | 19,256 |
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| Spanish | 2,692 |
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| Population 5+ | 23,735 |
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Veterans
| Veterans | 1,251 |
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| Population 18+ | 19,333 |
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Commuting
| Mean Commute Time | 17.8 minutes |
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| Work from Home | 4.3% |
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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 Ottumwa, Iowa.
