Demographics & People — Sauk City, Wisconsin
Population Overview
| Population (Census) | 3,500 |
| Estimated 2026 | ~3,400 |
| Median Age | 38.6 |
| Total Households | 1,473 |
| Family Households | 898 |
| Average Household Size | 2.29 |
| Diversity Index | 0.1413 (relatively homogeneous) |
Race & Ethnicity
| White | 3,122 |
| Black or African American | 18 |
| Asian | 96 |
| Hispanic or Latino | 138 |
Heritage & Ancestry
| Group | Count |
| German | 1,915 |
| Unclassified or not reported | 601 |
| Irish | 356 |
| English | 331 |
| Norwegian | 297 |
| Other groups | 287 |
| Polish | 247 |
| American | 169 |
| European | 103 |
| Danish | 101 |
Language
| English Only | 3,280 |
| Spanish | 77 |
| Population 5+ | 3,421 |
Veterans
| Veterans | 215 |
| Population 18+ | 2,782 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sauk City, Wisconsin.