St. Mary's County , Maryland

Population: 114,372 residents · 2023 Census ACS

Income $114,580 Home $390,900 Rent $1,692/mo
Page updated: · Data vintage: CDC PLACES 2023 · FEMA NRI v1.20
Sources: CDC PLACES·FEMA NRI·Census ACS · Methodology

Across 114,372 residents, St. Mary's County tracks on the higher end of national norms — useful as a comparison anchor for Maryland and neighboring counties alike.

$114,580
Median Income
household
$390,900
Home Value
median
$1,692/mo
Monthly Rent
median gross
N/A
Unemployment
rate

Income & Housing

Median Household Income $114,580
Per Capita Income $51,358
Poverty Rate 7.5%
Median Home Value $390,900
Median Gross Rent $1,692/mo
Owner Occupied 72.6%
Renter Occupied 27.4%

Demographics & Education

Total Population 114,372
Median Age 37 yrs
Bachelor's or Higher 35.1%

Health Outcomes

CDC PLACES 2023 · % of adults

37.4%
Obesity
11.4%
Diabetes
12.7%
Smoking
32.6%
High Blood Pressure
22.7%
No Physical Activity
21.2%
Depression
37.7%
Insufficient Sleep
76.5%
Annual Checkup

Natural Hazard Risk

FEMA National Risk Index · county-level scores

Very Low

Overall risk score: 42.6  ·  43th national percentile

🌊 Flood
63.00
🌪️ Tornado
39.38
🌀 Hurricane
85.11
🔥 Wildfire
59.03
❄️ Winter Storm
58.05
🌍 Earthquake
57.22
☀️ Drought
72.33

Thinking of moving to St. Mary's County?

Use our salary calculator to see what income you'd need to maintain your lifestyle.

Open Cost of Living Calculator →