In 2018, St. Mary's County, MD had a population of 112k people with a median age of 36.5 and a median household income of $90,438. Between 2017 and 2018 the population of St. Mary's County, MD grew from 110,979 to 111,531, a 0.497% increase and its median household income grew from $86,508 to $90,438, a 4.54% increase.
The 5 largest ethnic groups in St. Mary's County, MD are White (Non-Hispanic) (74.6%), Black or African American (Non-Hispanic) (14.3%), White (Hispanic) (3.98%), Two+ (Non-Hispanic) (3.12%), and Asian (Non-Hispanic) (2.75%). NaNk% of the people in St. Mary's County, MD speak a non-English language, and 97.8% are U.S. citizens.
The largest universities in St. Mary's County, MD are St Mary's College of Maryland (531 degrees awarded in 2017) and Blades School of Hair Design (38 degrees).
The median property value in St. Mary's County, MD is $295,000, and the homeownership rate is 70.8%. Most people in St. Mary's County, MD commute by Drove Alone, and the average commute time is 30 minutes. The average car ownership in St. Mary's County, MD is 2 cars per household.
St. Mary's County, MD borders Calvert County, MD, Dorchester County, MD, Somerset County, MD, Charles County, MD, Northumberland County, VA, and Westmoreland County, VA.