Demographics & People — Montpelier, Iowa
Population Overview
| Population (Census) | 228 |
| Estimated 2026 | ~200 |
| Median Age | 63.1 |
| Total Households | 112 |
| Family Households | 67 |
| Average Household Size | 2.04 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 228 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 84 |
| Irish | 55 |
| Unclassified or not reported | 46 |
| English | 25 |
| American | 9 |
| Other groups | 8 |
Language
| English Only | 210 |
| Spanish | 0 |
| Population 5+ | 228 |
Veterans
| Veterans | 36 |
| Population 18+ | 172 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Montpelier, Iowa.