St. Mary's County, MD has a population of 110,675 people with a median age of 36.3 and a median household income of $86,810. Between 2015 and 2016 the population of St. Mary's County, MD grew from 109,614 to 110,675, a 0.97% increase and its median household income declined from $86,987 to $86,810, a 0.2% decrease.
The population of St. Mary's County, MD is 75.5% White, 13.9% Black, and 4.64% Hispanic. 7.27% of the people in St. Mary's County, MD speak a non-English language, and 98.4% are U.S. citizens.
The largest universities in St. Mary's County, MD are St Mary's College of Maryland, with 529 graduates, Blades School of Hair Design, with 38 graduates, and N/A, with N/A graduates.
The median property value in St. Mary's County, MD is $295,900, and the homeownership rate is 71.9%. Most people in St. Mary's County, MD commute by Drove Alone, and the average commute time is 29.7 minutes. The average car ownership in St. Mary's County, MD is 2 cars per household.
St. Mary's County, MD is the 12th most populated county in Maryland and borders Calvert County, MD; Charles County, MD; Dorchester County, MD; Somerset County, MD; Northumberland County, VA; and Westmoreland County, VA& 1 more.