In St. Mary, Louisiana, the median home price is $116,261, compared with the Louisiana median of $211,928; median household income is $52,576; the population is 47,828; schools rate 5.5 out of 10; the violent crime rate is 549.2 per 100k; and the average commute is 23.2 minutes. Sources: Zillow Research and the US Census Bureau.
Data updated June 2026 - Source: Zillow Research
St. Mary at a glance
Population
47,828
Median Household Income
$52,576
Typical Home Value
$116,261
School District Rating
5.5
Violent Crime Rate
549.2
Avg Commute Time
23.2
About St. Mary
St. Mary has a population of 47,828. The median home value is $116,261, 45% below the Louisiana median. Median household income is $52,576 (13% below the Louisiana median). The most populated towns are District 5, District 6, and District 4.
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
8 towns, by population.
County rankings in Louisiana
Every county in Louisiana, 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 at a glance: frequently asked questions
- What is the population of St. Mary?
- St. Mary has a population of 47,828 based on the most recent US Census estimate.
- What is the median home price in St. Mary?
- The median home value in St. Mary is $116,261. Open the interactive map to see the distribution town by town.
- What is the median household income in St. Mary?
- Median household income in St. Mary is $52,576 per year, sourced from the US Census American Community Survey.
- What state is St. Mary in?
- St. Mary is in Louisiana.
- How many towns are in St. Mary?
- St. Mary contains 8 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare St. Mary with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.