Median Household Income
$119,446
Median Home Value
$407,600
Median Gross Rent
$1,747/mo
Poverty Rate
8.0%
Unemployment Rate
3.4%
Homeownership Rate
73.2%
Bachelor's Degree or Higher
36.5%
Median Age
37.2
Population Over Time
St. Mary's County grew 6.1% from 2014 to 2024.
2014
108,472
2016
110,675
2018
111,531
2020
113,182
2022
113,814
2024
115,126
Business & Industry
St. Mary's County has 2,090 business establishments employing 32,683 people.
Professional, scientific, and technical services
342
Construction
267
Accommodation and food services
217
Other services (except public administration)
200
Health care and social assistance
191
Administrative and support and waste management and remediation services
105
Real estate and rental and leasing
105
Finance and insurance
70
Establishments by industry sector. Source: U.S. Census Bureau, County Business Patterns.
Source: U.S. Census Bureau, American Community Survey, ACS 2020-2024.