Demographics & People — Houston Lake, Missouri
Population Overview
| Population (Census) | 330 |
| Estimated 2026 | ~200 |
| Median Age | 45.3 |
| Total Households | 142 |
| Family Households | 99 |
| Average Household Size | 2.32 |
| Diversity Index | 0.2658 (somewhat diverse) |
Race & Ethnicity
| White | 234 |
| Black or African American | 9 |
| Asian | 0 |
| Hispanic or Latino | 33 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 131 |
| Other groups | 86 |
| German | 77 |
| Hispanic: Hispanic or Latino | 43 |
| Irish | 32 |
| Hispanic: Other Hispanic or Latino | 30 |
| English | 24 |
| Polish | 20 |
| Norwegian | 18 |
| Hispanic: Spaniard | 17 |
Language
| English Only | 321 |
| Spanish | 1 |
| Population 5+ | 322 |
Veterans
| Veterans | 16 |
| Population 18+ | 288 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Houston Lake, Missouri.