Demographics & People — Kelso, Missouri
Population Overview
| Population (Census) | 593 |
| Estimated 2026 | ~600 |
| Median Age | 34.9 |
| Total Households | 238 |
| Family Households | 158 |
| Average Household Size | 2.49 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 586 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 211 |
| German | 199 |
| American | 96 |
| English | 39 |
| Other groups | 34 |
| Dutch | 26 |
| Irish | 23 |
| Greek | 21 |
| French (except Basque) | 17 |
| Lithuanian | 8 |
Language
| English Only | 527 |
| Spanish | 0 |
| Population 5+ | 544 |
Veterans
| Veterans | 24 |
| Population 18+ | 478 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Kelso, Missouri.