Demographics & People — Germantown, Wisconsin
Population Overview
| Population (Census) | 20,940 |
| Estimated 2026 | ~21,000 |
| Median Age | 44.1 |
| Total Households | 8,328 |
| Family Households | 5,795 |
| Average Household Size | 2.5 |
| Diversity Index | 0.2644 (somewhat diverse) |
Race & Ethnicity
| White | 17,662 |
| Black or African American | 903 |
| Asian | 1,329 |
| Hispanic or Latino | 805 |
Heritage & Ancestry
| Group | Count |
| German | 9,590 |
| Unclassified or not reported | 4,046 |
| Polish | 2,930 |
| Other groups | 2,554 |
| Irish | 1,864 |
| English | 1,187 |
| Norwegian | 785 |
| Hispanic: Hispanic or Latino | 711 |
| French (except Basque) | 590 |
| Italian | 585 |
Language
| English Only | 18,413 |
| Spanish | 145 |
| Population 5+ | 19,988 |
Veterans
| Veterans | 966 |
| Population 18+ | 15,991 |
Commuting
| Mean Commute Time | 22.8 minutes |
| Work from Home | 19.0% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Germantown, Wisconsin.