What is the population of St. Mary's County, MD?
St. Mary's County in Maryland has a population of 114,372, per Census ACS 5-Year estimates. The median household income is $114,580 and the median age is 37.0.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. St. Mary's County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
Explore Further
Related Questions
Frequently Asked Questions
St. Mary's County in Maryland has a population of 114,372, per Census ACS 5-Year estimates. The median household income is $114,580 and the median age is 37.0.