In St. Mary's, Maryland, the median home price is $440,110, compared with the Maryland median of $446,574; median household income is $119,446; the population is 115,126; schools rate 6.1 out of 10; the violent crime rate is 190.4 per 100k; and the average commute is 29.9 minutes. Sources: Zillow Research and the US Census Bureau.
Data updated June 2026 - Source: Zillow Research
St. Mary's at a glance
Population
115,126
Median Household Income
$119,446
Typical Home Value
$440,110
School District Rating
6.1
Violent Crime Rate
190.4
Avg Commute Time
29.9
About St. Mary's
St. Mary's has a population of 115,126. The median home value is $440,110, 1% below the Maryland median. Median household income is $119,446 (15% above the Maryland median). The most populated towns are 8, Bay, 3, Leonardtown, and 5, Mechanicsville.
Data comes from public sources including the U.S. Census Bureau, the National Center for Education Statistics, the FBI, the EPA, Zillow, and Redfin. Source attribution is shown on each metric.
Towns in St. Mary's
9 towns, by population.
County rankings in Maryland
Every county in Maryland, ranked on one decision metric at a time.
- Cheapest Counties to Buy a House
- Counties With the Lowest Monthly Housing Payment
- Counties With the Lowest Property Tax
- Counties With the Cheapest Homeowners Insurance
- Counties With the Cheapest Childcare
- Safest Counties From Natural Disasters
- Counties With the Lowest Flood Risk
- Counties With the Lowest Wildfire Risk
- Safest Counties (Lowest Violent Crime)
- Counties With the Best School Ratings
- Counties With the Highest Household Income
- Counties With the Shortest Commute
- Counties Where Homes Sell Fastest
St. Mary's at a glance: frequently asked questions
- What is the population of St. Mary's?
- St. Mary's has a population of 115,126 based on the most recent US Census estimate.
- What is the median home price in St. Mary's?
- The median home value in St. Mary's is $440,110. Open the interactive map to see the distribution town by town.
- What is the median household income in St. Mary's?
- Median household income in St. Mary's is $119,446 per year, sourced from the US Census American Community Survey.
- What state is St. Mary's in?
- St. Mary's is in Maryland.
- How many towns are in St. Mary's?
- St. Mary's contains 9 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare St. Mary's with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.