Demographics & People — St. Nazianz, Wisconsin
Population Overview
| Population (Census) | 881 |
| Estimated 2026 | ~1,000 |
| Median Age | 53.4 |
| Total Households | 534 |
| Family Households | 233 |
| Average Household Size | 1.63 |
| Diversity Index | 0.053 (relatively homogeneous) |
Race & Ethnicity
| White | 862 |
| Black or African American | 0 |
| Asian | 8 |
| Hispanic or Latino | 16 |
Heritage & Ancestry
| Group | Count |
| German | 501 |
| Irish | 156 |
| European | 82 |
| Other groups | 65 |
| English | 57 |
| Norwegian | 54 |
| American | 42 |
| Unclassified or not reported | 42 |
| Czech | 40 |
| French (except Basque) | 39 |
Language
| English Only | 835 |
| Spanish | 14 |
| Population 5+ | 852 |
Veterans
| Veterans | 83 |
| Population 18+ | 764 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for St. Nazianz, Wisconsin.