Demographics & People — Theresa, Wisconsin
Population Overview
| Population (Census) | 1,320 |
| Estimated 2026 | ~1,500 |
| Median Age | 38.1 |
| Total Households | 587 |
| Family Households | 342 |
| Average Household Size | 2.25 |
| Diversity Index | 0.097 (relatively homogeneous) |
Race & Ethnicity
| White | 1,242 |
| Black or African American | 45 |
| Asian | 4 |
| Hispanic or Latino | 17 |
Heritage & Ancestry
| Group | Count |
| German | 720 |
| Unclassified or not reported | 348 |
| Polish | 125 |
| Irish | 100 |
| Other groups | 80 |
| Italian | 72 |
| American | 50 |
| French (except Basque) | 48 |
| English | 42 |
| Dutch | 33 |
Language
| English Only | 1,215 |
| Spanish | 6 |
| Population 5+ | 1,238 |
Veterans
| Veterans | 99 |
| Population 18+ | 1,121 |
Commuting
| Mean Commute Time | 33.9 minutes |
| Work from Home | 7.7% |
| 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 Theresa, Wisconsin.