Demographics & People — Lily Lake, Wisconsin
Population Overview
| Population (Census) | 639 |
| Estimated 2026 | ~200 |
| Median Age | 37.1 |
| Total Households | 245 |
| Family Households | 193 |
| Average Household Size | 2.61 |
| Diversity Index | 0.3278 (somewhat diverse) |
Race & Ethnicity
| White | 534 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 139 |
Heritage & Ancestry
| Group | Count |
| Other groups | 186 |
| Irish | 150 |
| German | 142 |
| Hispanic: Hispanic or Latino | 103 |
| Hispanic: South American | 103 |
| Italian | 101 |
| American | 70 |
| Unclassified or not reported | 69 |
| Hispanic: Colombian | 66 |
| Hispanic: Argentinean | 37 |
Language
| English Only | 565 |
| Spanish | 9 |
| Population 5+ | 584 |
Veterans
| Veterans | 59 |
| Population 18+ | 468 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Lily Lake, Wisconsin.