Demographics & People — Oliver, Wisconsin
Population Overview
| Population (Census) | 370 |
| Estimated 2026 | ~800 |
| Median Age | 37.8 |
| Total Households | 168 |
| Family Households | 105 |
| Average Household Size | 2.2 |
| Diversity Index | 0.0437 (relatively homogeneous) |
Race & Ethnicity
| White | 351 |
| Black or African American | 0 |
| Asian | 1 |
| Hispanic or Latino | 7 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 76 |
| German | 63 |
| Irish | 40 |
| Norwegian | 38 |
| Finnish | 34 |
| Swedish | 32 |
| Polish | 31 |
| French Canadian | 22 |
| French (except Basque) | 17 |
| Other groups | 16 |
Language
| English Only | 350 |
| Spanish | 3 |
| Population 5+ | 355 |
Veterans
| Veterans | 36 |
| Population 18+ | 264 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Oliver, Wisconsin.