County profile
St. Mary's County, MD
United States · GDP 2024
#424 of 3,127 US counties by GDP70th-percentile growthmore diversified than 24% of counties
EA Place Score
——methodology in progress
GDP 2024 (USD)
$10.4B
BEA · 2024
GDP growth (YoY)
+6.2%
BEA · 2024
Jobs tracked
32,683
Census CBP · 2023
Employers
2,090
Census CBP · 2023
Avg. wage
$82.1k
BLS QCEW · 2023
Population
116,692
Census PEP · 2025
Labor, income & education
Unemployment
3.5%
Median HH income
$119.4k±$4.5k
Bachelor's degree+
36.5%±1.7%
Poverty rate
8.0%±1.3%
Business applications
1,197 · 2025
Retail establishments
306
26.3/10k pop
Public companies headquartered here
SEC EDGAR · FMPCompanySectorRevenueEA
1GateKeeper USA, Inc.Industrials———HQ-based placement with total (global) headcount — local employment attribution needs firmographic data; the industry mix at right is measured county data (CBP).
Industry mix · employment
Professional services39%
Retail trade19%
Food & accommodation14%
Health care14%
Admin & support7%
Construction7%
share of top-6 sector employment · CBP 2023
Population & migration
Census PEP · 2020–2025
116,692
residents · 2025 · +2.4% since 2020
Income per capita $73.3k · BEA 2024
COMPONENTS OF CHANGE · 2021–2025
Domestic migration+26
International migration+730
Natural change+1,886
GDP trend
2019–2024 · nominal
$7.8B2019
$8.4B2020
$8.7B2021
$9.1B2022
$9.8B2023
$10.4B2024
Real estate & risk
FHFA · ACS · FEMA
Median home value
$407.6k±$8.4k
Median gross rent
$1.7k/mo±$60/mo
Vacancy rate
8.5%±1.1%
Affordability
5.0× wages
Residential permits
$91.2M
282 units · 2.4/1k pop
FEMA risk score
42.6
HUD Fair Market Rent (2BR):$1.8k/mo · 2026
TOP PERILS · FEMA NRI
Hurricane 85Drought 72Heat wave 67
FHFA HOUSE PRICE INDEX · 2016–2025
1912016
1952017
2002018
2082019
2142020
2322021
2562022
2712023
2872024
3052025
RESIDENTIAL PERMITS · 2021–2025
↓ -21% since 20213592021
2382022
3862023
2652024
2822025
Transport access
BTS · FAA · USACE
Nearest interstate
63.0 km
I-95
Nearest freight rail
24.0 km
Freight rail
Nearest port
14.3 km
NAVAL AIR STATION WHARF
Nearest commercial airport
71.9 km
RONALD REAGAN WASHINGTON NTL
Wage trend
BLS QCEW · 2019–2023$82.1k
avg. annual pay · +19% since 2019
Similar US counties
nearest by GDPNearby & same-state counties
by GDP rankThe read
What is the GDP of St. Mary's?
St. Mary's's economy produced $10.4B in 2024, growing 6.2% year over year — faster than most US counties. Its largest employment sector is professional services.
GDP: BEA (2024), USD-normalized · Jobs/employers/wages & industry mix: Census CBP (2023) · Population & migration: Census PEP · Income: BEA CAINC1 · Companies: SEC EDGAR + FMP, by HQ.