Demographics & People — Martelle, Iowa
Population Overview
| Population (Census) | 432 |
| Estimated 2026 | ~500 |
| Median Age | 35.3 |
| Total Households | 142 |
| Family Households | 95 |
| Average Household Size | 3.04 |
| Diversity Index | 0.0529 (relatively homogeneous) |
Race & Ethnicity
| White | 360 |
| Black or African American | 4 |
| Asian | 0 |
| Hispanic or Latino | 6 |
Heritage & Ancestry
| Group | Count |
| German | 167 |
| Unclassified or not reported | 91 |
| English | 66 |
| Irish | 63 |
| Other groups | 63 |
| Czech | 22 |
| Scotch-Irish | 19 |
| French (except Basque) | 17 |
| Norwegian | 16 |
| West Indian (except Hispanic groups) | 15 |
Language
| English Only | 408 |
| Spanish | 0 |
| Population 5+ | 408 |
Veterans
| Veterans | 28 |
| Population 18+ | 308 |
Commuting
| Mean Commute Time | 26.2 minutes |
| Work from Home | 10.4% |
| 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 Martelle, Iowa.