Demographics & People — Onalaska, Wisconsin
Population Overview
| Population (Census) | 18,909 |
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| Estimated 2026 | ~20,400 |
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| Median Age | 40.7 |
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| Total Households | 8,509 |
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| Family Households | 4,971 |
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| Average Household Size | 2.21 |
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| Diversity Index | 0.1987 (relatively homogeneous) |
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Race & Ethnicity
| White | 16,344 |
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| Black or African American | 511 |
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| Asian | 943 |
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| Hispanic or Latino | 508 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 7,923 |
| Unclassified or not reported | 3,575 |
| Norwegian | 2,901 |
| Other groups | 2,788 |
| Irish | 2,301 |
| English | 1,683 |
| Polish | 1,084 |
| Italian | 579 |
| Swedish | 502 |
| French (except Basque) | 500 |
Language
| English Only | 16,430 |
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| Spanish | 449 |
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| Population 5+ | 17,897 |
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Veterans
| Veterans | 953 |
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| Population 18+ | 15,003 |
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Commuting
| Mean Commute Time | 17.3 minutes |
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| Work from Home | 10.9% |
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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 Onalaska, Wisconsin.
