Statistics for St. Mary's County
Latest official figures for St. Mary's County, each linked to its source.
Demography
| Population | 116,692 persons | 2025 |
| Median age | 37.2 years | 2024 |
| Live births, July to June | 1,314 count | 2025 |
| Deaths, July to June | 946 count | 2025 |
| Crude birth rate, July to June | 11.28 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 8.12 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.7 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 7.9 % | 2024 |
| Median household income | 119,446 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 10,446 USD million | 2024 |
| Real GDP growth | 2.8 % | 2024 |