Saint Mary's County, Maryland

county in Maryland, United States
(Redirected from St. Mary's County, Maryland)

Saint Mary's County is a county in the U.S. state of Maryland. As of the 2020 census, the county's population was 113,777.[1] Its county seat is Leonardtown.[2] The county was formed on January 24, 1637.


  1. "QuickFacts: St. Mary's County, Maryland". United States Census Bureau. Retrieved January 3, 2024.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.