Demographics & People — Columbia, Illinois
Population Overview
| Population (Census) | 11,063 |
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| Estimated 2026 | ~11,300 |
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| Median Age | 42.4 |
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| Total Households | 4,457 |
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| Family Households | 3,036 |
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| Average Household Size | 2.46 |
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| Diversity Index | 0.0512 (relatively homogeneous) |
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Race & Ethnicity
| White | 10,448 |
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| Black or African American | 103 |
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| Asian | 33 |
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| Hispanic or Latino | 144 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 4,464 |
| Unclassified or not reported | 1,810 |
| English | 1,468 |
| Irish | 1,230 |
| Other groups | 994 |
| American | 815 |
| Italian | 815 |
| French (except Basque) | 352 |
| Swedish | 270 |
| Polish | 250 |
Language
| English Only | 10,039 |
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| Spanish | 164 |
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| Population 5+ | 10,311 |
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Veterans
| Veterans | 630 |
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| Population 18+ | 8,247 |
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Commuting
| Mean Commute Time | 26.4 minutes |
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| Work from Home | 12.5% |
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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 Columbia, Illinois.
