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Saint Mary's County, Maryland facts for kids

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Flag of St. Mary's County, Maryland.png
Seal of St. Mary's County, Maryland.png

Saint Mary's County is a county in the U.S. state of Maryland. As of the 2010 census, the county's population was 105,151. Its county seat is Leonardtown. The county was formed on January 24, 1637.


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Saint Mary's County, Maryland Facts for Kids. Kiddle Encyclopedia.