Demographics & People — Defiance, Iowa
Population Overview
| Population (Census) | 207 |
| Estimated 2026 | ~400 |
| Median Age | 36.2 |
| Total Households | 103 |
| Family Households | 64 |
| Average Household Size | 2.01 |
| Diversity Index | 0.2072 (somewhat diverse) |
Race & Ethnicity
| White | 188 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 25 |
Heritage & Ancestry
| Group | Count |
| German | 71 |
| Unclassified or not reported | 69 |
| Other groups | 24 |
| Irish | 17 |
| Hispanic: Hispanic or Latino | 13 |
| American | 12 |
| French (except Basque) | 12 |
| English | 10 |
| Hispanic: Mexican | 8 |
| Danish | 5 |
Language
| English Only | 190 |
| Spanish | 12 |
| Population 5+ | 202 |
Veterans
| Veterans | 11 |
| Population 18+ | 153 |
Commuting
| Mean Commute Time | 18.7 minutes |
| Work from Home | 4.0% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Defiance, Iowa.