Demographics & People — Mountain Lake Park, Maryland
Population Overview
| Population (Census) | 2,033 |
| Estimated 2026 | ~2,500 |
| Median Age | 43.5 |
| Total Households | 994 |
| Family Households | 588 |
| Average Household Size | 1.95 |
| Diversity Index | 0.0331 (relatively homogeneous) |
Race & Ethnicity
| White | 1,880 |
| Black or African American | 11 |
| Asian | 12 |
| Hispanic or Latino | 9 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 795 |
| German | 633 |
| Irish | 303 |
| Other groups | 233 |
| English | 183 |
| American | 118 |
| Polish | 95 |
| Italian | 64 |
| European | 50 |
| Scottish | 47 |
Language
| English Only | 1,930 |
| Spanish | 8 |
| Population 5+ | 1,950 |
Veterans
| Veterans | 93 |
| Population 18+ | 1,694 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mountain Lake Park, Maryland.