Demographics & People — Swansea, Illinois
Population Overview
| Population (Census) | 14,603 |
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| Estimated 2026 | ~15,000 |
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| Median Age | 42.3 |
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| Total Households | 5,587 |
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| Family Households | 3,599 |
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| Average Household Size | 2.58 |
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| Diversity Index | 0.3641 (somewhat diverse) |
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Race & Ethnicity
| White | 10,583 |
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| Black or African American | 2,585 |
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| Asian | 346 |
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| Hispanic or Latino | 156 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 4,134 |
| Other groups | 3,816 |
| Unclassified or not reported | 3,403 |
| Irish | 1,954 |
| English | 1,499 |
| American | 670 |
| Polish | 628 |
| French (except Basque) | 376 |
| Italian | 292 |
| European | 276 |
Language
| English Only | 13,155 |
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| Spanish | 71 |
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| Population 5+ | 13,735 |
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Veterans
| Veterans | 1,172 |
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| Population 18+ | 11,463 |
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Commuting
| Mean Commute Time | 24.1 minutes |
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| Work from Home | 15.2% |
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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 Swansea, Illinois.
