Demographics & People — Grantsburg, Wisconsin
Population Overview
| Population (Census) | 1,359 |
| Estimated 2026 | ~1,300 |
| Median Age | 44.8 |
| Total Households | 560 |
| Family Households | 274 |
| Average Household Size | 2.34 |
| Diversity Index | 0.0544 (relatively homogeneous) |
Race & Ethnicity
| White | 1,257 |
| Black or African American | 27 |
| Asian | 0 |
| Hispanic or Latino | 9 |
Heritage & Ancestry
| Group | Count |
| German | 446 |
| Unclassified or not reported | 322 |
| Norwegian | 195 |
| Swedish | 170 |
| Other groups | 128 |
| Irish | 108 |
| English | 86 |
| Scandinavian | 86 |
| Polish | 67 |
| Hispanic: Mexican | 44 |
Language
| English Only | 1,291 |
| Spanish | 3 |
| Population 5+ | 1,295 |
Veterans
| Veterans | 86 |
| Population 18+ | 1,078 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Grantsburg, Wisconsin.