Economic Intelligence | Any Geography

St. Mary’s County, MD

Welcome to St. Mary's County.

← Back to search

St. Mary's County is the second largest county in terms of the geographic area of coverage in Maryland, representing 6% of the state's total size.

Total GDP for the county increased 20%, in the five years ending in 2022, to reach $8.8 billion.

Between 2000 and 2024 presidential elections, St. Mary's County voted for Republican candidates six out of six times and never voted for a Democratic candidate.

St. Mary's County comprises California-Lexington Park, MD metropolitan area.

The largest city in the county is Lexington Park.

Surrounding counties and county equivalents include: Calvert County, Charles County, Dorchester County, Somerset County, Northumberland County, and Westmoreland County.

Presidential Election

🔵 Democrat    🔴 Republican

Election Year
Candidates (Party)*
Votes (% Total)Landslide
Scale**
🔵🔴
2000
🔴George W. Bush
🔵Al Gore
40.38%57.14%+
2004
🔴George W. Bush
🔵John Kerry
36.33%62.57%++
2008
🔵Barack Obama
🔴John McCain
42.84%55.63%+
2012
🔵Barack Obama
🔴Mitt Romney
41.22%56.03%+
2016
🔴Donald Trump
🔵Hillary Clinton
35.18%57.51%++
2020
🔵Joe Biden
🔴Donald Trump
41.58%55.39%+
2024
🔴Donald Trump
🔵Kamala Harris
Notes:
*Presidential Tickets
2000 (R) George W. Bush & Dick Cheney; (D) Al Gore & Joe Lieberman
2004 (R) George W. Bush & Dick Cheney; (D)John Kerry & John Edwards
2008 (D) Barack Obama & Joe Biden; (R) John McCain & Sarah Palin
2012 (D) Barack Obama & Joe Biden; (R) Mitt Romney & Paul Ryan
2016 (R) Donald Trump & Mike Pence; (D) Hillary Clinton & Tim Kaine
2020 (D) Joe Biden & Kamala Harris; (R) Donald Trump & Mike Pence
2024 (R) Donald Trump & JD Vance; (D) Kamala Harris & Tim Waltz
**Landslide Scale (county)
+ Victory margin was less than 20 percent
++ Victory margin was between 20 to 49 percentage points of more votes
+++ Victory margin was more than half but below three quarters
++++ Victory margin was three quarters or more

← Back to search

Economic Significance

Key IndustryAs %
County GDP
GDP
Growth*
County GDP1100%20%
Government
Enterprises
46%20%
Private Industries54%21%
Agriculture<1%0%
Mining<1%0%
Utilities<1%0%
Construction5%-13%
Manufacturing1%80%
– Durable1%95%
– Nondurable<1%13%
Trade<1%0%
– Wholesale<1%0%
– Retail4%35%
Transportation3%14%
Information1%23%
Finance & Insurance1%7%
Real Estate10%0%
Professional &
Business Services
19%35%
Educational Services1%13%
Healthcare &
Social Services
5%25%
Arts, Recreation &
Entertainment
<1%55%
Accommodation &
Food Services
2%24%
Other Services21%22%
Notes:
*Growth rates are based on most recent five-year value available and are updated dynamically
1. All industry total.
2. Includes various repairs, maintenance, personal care, religious organizations, social and professional organizations etc.

← Back to search

Local Vibrancy

Total*Vibrancy
Indicator
(1-100)**
🚙 Automobile Dealers1067
🪑 Furniture &
Home Furnishings
753
📺 Electronics & Appliance661
🛒 Grocery Stores3183
🍾 Beer, Wine & Liquor Stores2787
⚕️ Health & Personal Care2378
⛽ Gasoline Stations3383
👕 Clothing Stores649
👠 Shoe Stores336
🧳 Luggage, Leather Goods & Jewelry552
🏸 Sporting Goods447
📚 Book Stores & News Dealers348
🏬 Department Stores1779
💐 Florists350
🎁 Gift, Novelty & Souvenir Shops449
🐕 Pet & Pet Supplies 557
🍺 Bars & Taverns550
🍽️ Full-service restaurants6483
🍔 Limited-service restaurants8885
🏠 Offices of Real Estate Agents & Brokers4179
🛏️ Traveler Accommodation1474
Notes:
* Total counts of establishments are places of business.
** Vibrancy score is based on comparisons of relevant establishments per square mile of land area among all counties and county equivalents in the United States; A score of 100 means the county is in the top one percentile.

← Back to search

Wealth Indicators

Household Income by Distribution
As % County’s
Total Household Income
Average Household Income
Maximum Household Income
Top 5%120%$526,800 N/A
Top 20%47%$318,300 More than $250,000
Next highest 20%23%$157,400 $194,800
Middle 20%16%$107,700 $128,300
Second lowest 20%10%$67,200 $87,700
Bottom 20%4%$23,900 $47,100
Notes:
1. Households with aggregate income above 95% of all households in the county
% Total
Households
Average Household
Income*
Wages & Salaries76%$125,100
Self-Employment16%$43,000
Investment Income123%$34,600
Social Security35%$25,100
Supplemental Security3%$11,400
Public Assistance3%Below $10,000
Retirement29%$49,100
Notes:
* Calculation based on households claim to have specific source of income; Households may have more than one source of income
1Includes interest, dividends, and net rental income

Under
25*
Age 25
to 49*
Age 50
to 64*
Age 65
& Older*
Below
$25K
1%3%3%4%
$25K
– $49K
1%3%3%3%
$50K
– $99K
1%8%8%6%
$100K
– $199K
1%16%15%6%
$200K
& more
<1%6%12%2%
Notes:
* Age of heads of households

 

← Back to search

Median Earnings by Worker Characteristics
Race/EthnicityMaleFemale
Non-Hispanic White$69,200 $44,900
African-American$58,000 $29,900
Hispanic$40,600 $61,000
Asian$28,700
Level of Education MaleFemale
Below Highschool$43,000 $25,000
Highschool & GED$57,400 $39,200
Some College to
Associate’s
$73,000 $42,700
College/Bachelor’s
Degree
$104,600 $59,400
Graduate Degree$116,400 $71,000
OccupationMaleFemale
White-Collar1$106,200 $66,000
STEM2$124,000 $80,100
Gray-Collar3$90,400 $46,100
Pink-Collar4$21,600 $19,100
Sales5$90,900 $40,800
Blue-Collar6$40,000 $37,600
Notes:
1. Management, business, science, and arts occupations
2. Computer, engineering, and science occupations
3. Protective service occupations including firefighters and law enforcement
4. Personal care and service occupations
5. Sales and sales related
6.Production, transportation, and material moving occupations

← Back to search

Climate Risks

Disaster CategoryNatural Hazard
Risk Rating
Annual Loss
Per Capita
Avalanche
Coastal Flooding+$
Cold Waves+$
Drought+$
Earthquake+$
Hail+
Heat Waves+$
Hurricane+$$
Ice Storm+$
Landslide+
Lightning+$
Riverine Flooding+$
Strong Wind+$
Tornado+$
Tsunami
Volcanic Activity
Wildfires+
Winter Weather+$
Notes:
Locations with insufficient data or not rated are left blank.
+: Very low to Relatively low risk ratings
++: Relatively moderate
+++: Relatively high
++++: Very high
$: Expected per capita annual loss from the natural disaster is below $100
$$: $100-499
$$$: $500-999
$$$$: $1,000 and more

 

← Back to search