Demographics & People — Sigourney, Iowa
Population Overview
| Population (Census) | 1,866 |
| Estimated 2026 | ~2,200 |
| Median Age | 45.2 |
| Total Households | 858 |
| Family Households | 470 |
| Average Household Size | 2.04 |
| Diversity Index | 0.0312 (relatively homogeneous) |
Race & Ethnicity
| White | 1,805 |
| Black or African American | 21 |
| Asian | 0 |
| Hispanic or Latino | 8 |
Heritage & Ancestry
| Group | Count |
| German | 635 |
| Unclassified or not reported | 620 |
| Irish | 191 |
| American | 168 |
| English | 133 |
| Other groups | 92 |
| Dutch | 74 |
| European | 55 |
| Swedish | 46 |
| Norwegian | 30 |
Language
| English Only | 1,799 |
| Spanish | 8 |
| Population 5+ | 1,812 |
Veterans
| Veterans | 162 |
| Population 18+ | 1,554 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sigourney, Iowa.