Demographics & People — Rochester, Wisconsin
Population Overview
| Population (Census) | 3,780 |
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| Estimated 2026 | ~3,700 |
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| Median Age | 47.2 |
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| Total Households | 1,610 |
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| Family Households | 1,094 |
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| Average Household Size | 2.32 |
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| Diversity Index | 0.0424 (relatively homogeneous) |
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Race & Ethnicity
| White | 3,672 |
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| Black or African American | 13 |
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| Asian | 0 |
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| Hispanic or Latino | 68 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 1,950 |
| Unclassified or not reported | 725 |
| Irish | 465 |
| English | 426 |
| Polish | 392 |
| Other groups | 257 |
| Italian | 166 |
| Russian | 155 |
| Norwegian | 149 |
| Hispanic: Hispanic or Latino | 137 |
Language
| English Only | 3,652 |
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| Spanish | 54 |
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| Population 5+ | 3,706 |
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Veterans
| Veterans | 174 |
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| Population 18+ | 3,197 |
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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 Rochester, Wisconsin.
