Demographics & People — Martinsburg, Iowa
Population Overview
| Population (Census) | 96 |
| Estimated 2026 | ~100 |
| Median Age | 50.5 |
| Total Households | 43 |
| Family Households | 33 |
| Average Household Size | 2.23 |
| Diversity Index | 0.1816 (relatively homogeneous) |
Race & Ethnicity
| White | 89 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 10 |
Heritage & Ancestry
| Group | Count |
| German | 39 |
| Unclassified or not reported | 24 |
| Irish | 19 |
| Other groups | 19 |
| American | 12 |
| Hispanic: Hispanic or Latino | 11 |
| English | 9 |
| Hispanic: Mexican | 7 |
| Scotch-Irish | 5 |
| Hispanic: Puerto Rican | 4 |
Language
| English Only | 86 |
| Spanish | 6 |
| Population 5+ | 92 |
Veterans
| Veterans | 2 |
| Population 18+ | 90 |
Commuting
| Mean Commute Time | 22.8 minutes |
| Work from Home | 14.0% |
| 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 Martinsburg, Iowa.