Demographics & People — Crystal Lake Park, Missouri
Population Overview
| Population (Census) | 472 |
| Estimated 2026 | ~800 |
| Median Age | 48.4 |
| Total Households | 207 |
| Family Households | 131 |
| Average Household Size | 2.28 |
| Diversity Index | 0.2538 (somewhat diverse) |
Race & Ethnicity
| White | 386 |
| Black or African American | 18 |
| Asian | 42 |
| Hispanic or Latino | 4 |
Heritage & Ancestry
| Group | Count |
| German | 118 |
| English | 83 |
| Unclassified or not reported | 80 |
| Other groups | 75 |
| Irish | 47 |
| Scottish | 34 |
| Polish | 30 |
| American | 29 |
| Italian | 26 |
| Russian | 14 |
Language
| English Only | 386 |
| Spanish | 4 |
| Population 5+ | 441 |
Veterans
| Veterans | 15 |
| Population 18+ | 363 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Crystal Lake Park, Missouri.