Demographics & People — French Island, Wisconsin
Population Overview
| Population (Census) | 4,235 |
| Estimated 2026 | ~4,100 |
| Median Age | 48.2 |
| Total Households | 1,940 |
| Family Households | 1,191 |
| Average Household Size | 2.17 |
| Diversity Index | 0.0443 (relatively homogeneous) |
Race & Ethnicity
| White | 3,993 |
| Black or African American | 51 |
| Asian | 40 |
| Hispanic or Latino | 1 |
Heritage & Ancestry
| Group | Count |
| German | 1,922 |
| Irish | 1,173 |
| Norwegian | 748 |
| Unclassified or not reported | 704 |
| Other groups | 288 |
| Polish | 244 |
| English | 214 |
| French (except Basque) | 171 |
| Welsh | 166 |
| Swedish | 155 |
Language
| English Only | 3,917 |
| Spanish | 0 |
| Population 5+ | 3,981 |
Veterans
| Veterans | 260 |
| Population 18+ | 3,555 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for French Island, Wisconsin.