St. Marys County, MD Demographic Data

St. Marys County, MD Summary

St. Marys County is located in Maryland
  • Population: 108,987
  • Area: 764.25 sq. miles
    • Land Area: 357.18 sq. miles
    • Water Area: 407.07 sq. miles
  • Population Density: 142.60 people per sq. mile
  • Elevation: 114.83 ft
  • Time Zone: Eastern Standard Time (GMT -5)
  • Daylight Savings: Yes

Maryland Heat Map by County Population

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St. Marys County, MD Gender Breakdown

Gender
Number
Percent
National Avg
Female
57,336
51%
50.8
Male
55,251
49%
49.2
Total Population
112,587
 
323,128,000

St. Marys County, MD Age Breakdown

Age Group
Number
Percent
National Avg
Under 5 Years
6,915
6.1% 
6.1
5 to 9 Years
6,900
6.1% 
6.3
10 to 14 Years
9,093
8.1% 
6.4
15 to 19 Years
7,945
7.1% 
6.7
20 to 24 Years
7,477
6.6% 
6.9
25 to 34 Years
16,523
14.7% 
13.7
35 to 44 Years
13,259
11.8% 
12.6
45 to 54 Years
16,490
14.6% 
13.2
55 to 59 Years
7,946
7.1% 
6.7
60 to 64 Years
6,074
5.4% 
6.1
65 to 74 Years
8,337
7.4% 
8.9
75 to 84 Years
4,356
3.9% 
4.4
85 Years and Over
1,272
1.1% 
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
84,945
75.4%
77.2
Female
43,397
51.1%
51.3
Male
41,548
48.9%
48.7
21 Years and over
80,754
71.7%
73.1
62 Years and over
17,381
15.4%
18.8
65 Years and over
13,965
12.4%
15.2
Female
7,497
53.7%
55.8
Male
6,468
46.3%
44.2
Median Age (years)
36
0.0%
0.0

St. Marys County, MD Race Breakdown

Race
Number
Percent
National Avg
One Race
 
96.8
White
92,144
81.8% 
72.6
Black or African American
18,049
16.0% 
12.7
American Indian and Alaska Native
767
0.7% 
0.8
Asian
4,343
3.9% 
5.4
Asian Indian
 
1.2
Chinese
 
1.3
Filipino
 
0.9
Japanese
 
0.2
Korean
 
0.4
Vietnamese
 
0.6
Other Asian
 
0.8
Native Hawaiian and Other Pacific Islander
 
0.2
Native Hawaiian
 
0.1
Guamanian or Chamorro
 
0.0
Samoan
 
0.0
Other Pacific Islander
 
0.1
Some Other Race
 
5.1
Two or More Races
 
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
5,632
5.0% 
17.8
Mexican
2,274
2.0% 
11.2
Puerto Rican
418
0.4% 
1.7
Cuban
46
0.0% 
0.7
Other Hispanic or Latino
2,894
2.6% 
4.2
Not Hispanic or Latino
106,955
95.0% 
82.2

St. Marys County, MD Educational Attainment

Education Level
Number
Percent
National Avg
Less than 9th grade
3,112
4.2% 
5.4
9th to 12th grade, no diploma
6,912
9.3% 
7.2
High school graduate (includes equivalent)
22,272
30.0% 
27.2
Some college, no degree
14,919
20.1% 
20.6
Associate's Degree
7,673
10.3% 
8.4
Bachelor's Degree
10,404
14.0% 
19.3
Graduate or professional degree
8,965
12.1% 
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
10,024
13.5%
12.6
High School Graduate or Higher
64,233
86.5%
87.4
Bachelor's Degree or Higher
19,369
26.1%
31.2

St. Marys County, MD Marital Status

Marital Status
Number
Percent
National Avg
Never Married
28,945
32.3%
33.7%
Now Married
45,988
51.3%
47.5
Divorced
9,563
10.7%
11.0%
Separated
1,313
1.5%
2.0
Widowed
3,870
4.3
5.8%

St. Marys County, MD Language Spoken at Home

Language
Number
Percent
National Avg
English Only
96,332
91.2%
78.4%
Languages other than english
9,340
8.8%
21.6%
Spanish
13.3
Other indo-european languages
3.7
Asian and Pacific islander languages
3.5
Other Languages
1.1

St. Marys County, MD Household Income

Household Income
Number
Percent
National Avg
Less than $10,000
1,624
3.9%
6.7
$10,000 to $14,999
1,204
2.9%
4.8
$15,000 to $24,999
2,490
6.0%
9.7
$25,000 to $34,999
3,374
8.2%
9.5
$35,000 to $49,999
3,920
9.5%
13.0
$50,000 to $74,999
7,171
17.3%
17.7
$75,000 to $99,999
5,159
12.5%
12.3
$100,000 to $149,000
9,427
22.8%
14.0
$150,000 to $199,999
4,270
10.3%
5.8
$200,000 or more
2,729
6.6%
6.4
Median household income
78,195
 
57,617
Per capita income
34,694
 
31,128

St. Marys County, MD Employment Breakdown

Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
506
0.9%
1.7
Arts, entertainment, recreation, accommodation and food services
3,140
5.8%
9.8
Construction
5,249
9.6%
6.4
Educational services, health care and social assistance
11,289
20.7%
23.0
Finance, insurance, real estate, rental, and leasing
1,509
2.8%
6.6
Information
564
1.0%
2.1
Manufacturing
3,659
6.7%
10.1
Other services except public administration
3,003
5.5%
4.9
Professional, scientific, management, administrative and waste management services
7,636
14.0%
11.4
Public administration
9,413
17.2%
4.6
Retail trade
5,356
9.8%
11.5
Transportation, warehousing and utilities
2,905
5.3%
5.2
Wholesale trade
359
0.7%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
6,935
12.7%
8.8%
Management, professional, and related occupations
23,203
42.5%
37.6%
Production, transportation, and material moving occupations
5,578
10.2%
12.2%
Sales and office occupations
12,056
22.1%
23.3%
Service occupations
6,816
12.5%
18.1%

St. Marys County, MD Commute Statistics

Commute Type
Number
Percent
National Avg
Workers 16 Years and over
55,396
 
 
Car, truck, or van - drove alone
44,198
79.8%
76.3
Car, truck, or van - carpooled
7,501
13.5%
9.0
Public transportation (excluding taxicab)
516
0.9%
5.1
Walked
1,831
3.3%
2.7
Other means
168
0.3%
1.8
Worked at home
1,182
2.1%
5.0
Mean travel time to work (Minutes)
34.5
 
26.6

St. Marys County, MD Vehicles per Household

Vehicles per Household
Number
Percent
National Avg
None
1,816
4.4%
8.7
1 vehicles
11,182
27.0%
33.2
2 vehicles
15,296
37.0%
37.1
3 or more
13,074
31.6%
21.0

St. Marys County, MD Housing Occupancy

Housing Occupancy
Number
Percent
National Avg
Total Housing Units
 
 
Occupied Housing Units
41,368
93.6%
87.6
Owner Occupied
28,023
67.7%
63.1
Renter Occupied
13,345
32.3%
36.9
Vacant Housing Units
2,823
6.4%
12.4
Homeowner Vacancy Rate
1
0.0%
0.0
Rental Vacancy Rate
7
0.0%
0.0
Average household size of owner-occupied unit
2.7
0.0%
2.7
Average household size of renter-occupied unit
2.6
0.0%
2.5

St. Marys County, MD Rooms per Residence

Rooms per Residence
Number
Percent
National Avg
Total Housing Units
44,191
1 room
104
0.2%
2.4
2 rooms
862
2.0%
2.7
3 rooms
1,203
2.7%
9.1
4 rooms
4,693
10.6%
16.5
5 rooms
5,588
12.6%
19.8
6 rooms
8,772
19.9%
17.8
7 rooms
6,305
14.3%
12.0
8 rooms
6,409
14.5%
8.6
9 rooms or more
10,255
23.2%
11.1
Median Rooms
7
 
0.0

St. Marys County, MD Structure Type Statistics

Structure Type
Number
Percent
National Avg
Total Housing Units
44,191
 
 
1-unit, detached
33,512
75.8%
61.5
1-unit, attached
2,810
6.4%
5.9
2-units
857
1.9%
3.6
3 or 4 units
1,029
2.3%
4.4
5 to 9 units
1,744
3.9%
4.8
10 to 19 units
1,310
3.0%
4.4
20 or more units
1,283
2.9%
9.0
Mobile home
1,646
3.7%
6.2
Boat, RV, van, etc.
0
0.0%
0.1

St. Marys County, MD Housing Age Statistics

Housing Age
Number
Percent
National Avg
1939 or earlier
1,596
3.6%
12.8%
1940 to 1949
2,008
4.5%
5.0%
1950 to 1959
2,664
6.0%
10.4%
1960 to 1969
2,719
6.2%
10.7%
1970 to 1979
7,441
16.8%
15.3%
1980 to 1989
6,650
15.0%
13.5%
1990 to 1999
7,813
17.7%
13.9%
2000 to 2009
10,090
22.8%
14.2%
2010 to 2013
2,178
4.9%
2.8%
2014 or later
1,032
2.3%
1.4%

St. Marys County, MD Household Heating

Heating Fuel Type
Number
Percent
National Avg
Utility Gas
4,143
10.0%
48.1
Bottled, tank, or LP gas
3,569
8.6%
4.7
Electricity
20,718
50.1%
38.7
Fuel oil, kerosene, etc.
10,628
25.7%
4.8
Coal or coke
91
0.2%
0.1
Wood
1,998
4.8%
1.9
Solar energy
0
0.0%
0.1
Other fuel
110
0.3%
0.5
No fuel used
111
0.3%
1.1

St. Marys County, MD Mortgage Statistics

Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
18,899
 
47295100.0
Less than $500
99
0.5%
1.6%
$500 to $999
1,400
7.4%
20.4%
$3,000 or more
1,793
9.5%
10.3%
$2,500 to $2,999
2,303
12.2%
7.0%
$1,000 to $1,499
3,630
19.2%
28.8%
$2,000 to $2,499
4,725
25.0%
11.8%
$1,500 to $1,999
4,949
26.2%
20.1%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
8,306
44.1%
45.4%
20.0% to 24.9%
3,015
16.0%
15.7%
25.0% to 29.9%
2,342
12.4%
10.6%
30.0% to 34.9%
1,651
8.8%
7.0%
35.0% or more
3,535
18.8%
21.3%
Not Computed
50
0.0%
0.0%

St. Marys County, MD Rent Statistics

Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
 
 
41,631,300 
No Cash Rent
2,206,240
Median (Dollars)
1,409
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
2,000
15.5%
13.1%
15.0% to 19.9%
1,962
15.2%
12.9%
20.0% to 24.9%
1,392
10.8%
12.8%
25.0% to 29.9%
1,108
8.6%
11.5%
30.0% to 34.9%
1,468
11.3%
9.0%
35.0% or more
5,007
38.7%
40.7%
Not Computed
408
0.0%
0.0%

St. Marys County, MD Property Value

Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
28,023
 
75,022,600
Less then $50,000
1,025
3.7%
7.3%
$50,000 to $99,999
596
2.1%
7.3%
$100,000 to $149,000
1,090
3.9%
14.1%
$150,000 to $199,000
2,551
9.1%
14.5%
$200,000 to $299,999
8,168
29.1%
19.2%
$300,000 to $499,999
11,789
42.1%
18.2%
$500,000 to $999,999
2,610
9.3%
10.5%
$1,000,000 or more
194
0.7%
3.1%
Median (Dollars)
307,900
 
205,000