Demographics & People — Menlo, Iowa
Population Overview
| Population (Census) | 355 |
| Estimated 2026 | ~500 |
| Median Age | 43.6 |
| Total Households | 146 |
| Family Households | 106 |
| Average Household Size | 2.43 |
| Diversity Index | 0.0755 (relatively homogeneous) |
Race & Ethnicity
| White | 318 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 13 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 156 |
| German | 127 |
| Irish | 87 |
| Other groups | 41 |
| English | 26 |
| Dutch | 20 |
| Norwegian | 15 |
| American | 10 |
| Northern European | 8 |
| Italian | 7 |
Language
| English Only | 338 |
| Spanish | 0 |
| Population 5+ | 339 |
Veterans
| Veterans | 22 |
| Population 18+ | 319 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Menlo, Iowa.