Demographics & People — Sun Prairie, Wisconsin
Population Overview
| Population (Census) | 36,455 |
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| Estimated 2026 | ~40,300 |
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| Median Age | 36.7 |
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| Total Households | 15,291 |
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| Family Households | 9,282 |
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| Average Household Size | 2.37 |
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| Diversity Index | 0.3571 (somewhat diverse) |
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Race & Ethnicity
| White | 27,963 |
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| Black or African American | 2,990 |
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| Asian | 2,679 |
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| Hispanic or Latino | 1,660 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 12,046 |
| Other groups | 7,147 |
| Unclassified or not reported | 6,750 |
| Irish | 4,655 |
| Norwegian | 2,734 |
| English | 2,723 |
| Polish | 2,096 |
| Hispanic: Hispanic or Latino | 1,641 |
| American | 1,218 |
| Hispanic: Mexican | 1,217 |
Language
| English Only | 30,615 |
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| Spanish | 848 |
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| Population 5+ | 34,391 |
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Veterans
| Veterans | 1,757 |
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| Population 18+ | 27,068 |
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Commuting
| Mean Commute Time | 22.0 minutes |
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| Work from Home | 19.7% |
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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 Sun Prairie, Wisconsin.
