Demographics & People — Sandusky, Iowa
Population Overview
| Population (Census) | 355 |
| Estimated 2026 | ~400 |
| Median Age | 40.7 |
| Total Households | 177 |
| Family Households | 139 |
| Average Household Size | 2.01 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 338 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 120 |
| Unclassified or not reported | 78 |
| Other groups | 70 |
| British | 38 |
| European | 28 |
| Irish | 26 |
| American | 15 |
| Swedish | 14 |
| Dutch | 13 |
| Norwegian | 13 |
Language
| English Only | 334 |
| Spanish | 0 |
| Population 5+ | 334 |
Veterans
| Veterans | 51 |
| Population 18+ | 301 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sandusky, Iowa.