Demographics & People — Lake Mills, Iowa
Population Overview
| Population (Census) | 2,054 |
| Estimated 2026 | ~2,200 |
| Median Age | 46.2 |
| Total Households | 930 |
| Family Households | 572 |
| Average Household Size | 2.15 |
| Diversity Index | 0.1684 (relatively homogeneous) |
Race & Ethnicity
| White | 1,853 |
| Black or African American | 0 |
| Asian | 5 |
| Hispanic or Latino | 184 |
Heritage & Ancestry
| Group | Count |
| Norwegian | 796 |
| German | 712 |
| Unclassified or not reported | 340 |
| Other groups | 235 |
| Hispanic: Hispanic or Latino | 214 |
| English | 158 |
| American | 121 |
| Hispanic: Mexican | 110 |
| Hispanic: Puerto Rican | 99 |
| Dutch | 73 |
Language
| English Only | 1,873 |
| Spanish | 102 |
| Population 5+ | 1,979 |
Veterans
| Veterans | 104 |
| Population 18+ | 1,604 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Lake Mills, Iowa.