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St. Mary's County, MD

115,281 Population
358.6 square miles 321.5 people per square mile

Census data: ACS 2023 1-year unless noted

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Demographics

38.7 ±1.8 Median age
  • a little less than the figure in Maryland: 39.8 ±0.2
  • about the same as the figure in United States: 39.2 ±0.1

Economics

$47,264 ±$2,708 Per capita income
  • about 90 percent of the amount in Maryland: $50,728 ±$489
  • about 10 percent higher than the amount in United States: $43,313 ±$91
$102,282 ±$4,027 Median household income
  • a little higher than the amount in Maryland: $98,678 ±$1,292
  • about 1.3 times the amount in United States: $77,719 ±$186

8.3% ±3% (9,394  ±3,429) Persons below poverty line
  • about 90 percent of the rate in Maryland: 9.5% 574,160 (±0.3% / ±20,592)
  • about two-thirds of the rate in United States: 12.5% 40,763,044 (±0.1% / ±277,214)

30.4 minutes ±0.8 (1,499,930  ±59,172) Mean travel time to work * ACS 2023 5-year data
  • a little less than the figure in Maryland: 31.5 80,922,360 (±0.1 / ±443,668)
  • about 10 percent higher than the figure in United States: 26.6 3,623,435,500 (±0 / ±6,730,891)

Families

43,227 ±1,298 Number of households
  • Maryland: 2,384,715 ±7,944
  • United States: 131,332,360 ±130,190
2.6 ±0.1 (112,914  ±96) Persons per household
  • a little higher than the figure in Maryland: 2.5 6,055,057
  • a little higher than the figure in United States: 2.5 326,701,630

3.2% ±1.6% (842  ±422) Women 15-50 who gave birth during past year
  • about three-fifths of the rate in Maryland: 5.3% 76,658 (±0.3% / ±4,934)
  • about three-fifths of the rate in United States: 5.2% 4,018,933 (±0.1% / ±41,679)

Housing

46,644 ±44 Number of housing units
  • Maryland: 2,572,382 ±567
  • United States: 145,333,460 ±10,062

$403,900 ±$22,399 Median value of owner-occupied housing units
  • about the same as the amount in Maryland: $413,600 ±$3,126
  • about 20 percent higher than the amount in United States: $340,200 ±$571

14.1% ±3.4% (16,213  ±3,864.7) Moved since previous year
  • about 1.3 times the rate in Maryland: 11% 673,817 (±0.4% / ±26,954.4)
  • about 20 percent higher than the rate in United States: 12.1% 40,001,900 (±0.1% / ±198,133.8)

Social

92.7% ±5.7% (72,273  ±4,756.7) High school grad or higher
  • about the same as the rate in Maryland: 91.2% 3,917,459 (±0.8% / ±33,511.9)
  • a little higher than the rate in United States: 89.8% 208,092,664 (±0.1% / ±278,776.4)
36% ±3.4% (28,091  ±2,734.1) Bachelor's degree or higher
  • about 80 percent of the rate in Maryland: 43.8% 1,880,000 (±0.5% / ±22,089)
  • about the same as the rate in United States: 36.2% 83,816,088 (±0.1% / ±181,834.5)

N/A Persons with language other than English spoken at home

4.3% (4,939  ±1,681) Foreign-born population
  • about one-quarter of the rate in Maryland: 17% 1,051,891
  • about one-third of the rate in United States: 14.3% 47,831,412

13.2% ±2.2% (11,202  ±1,867) Population with veteran status
  • about double the rate in Maryland: 6.7% 318,150 (±0.2% / ±8,991)
  • more than double the rate in United States: 6.1% 15,813,955 (±0% / ±66,116)
11,202 Total veterans ±1,867 9,271 Male ±1,541 1,931 Female ±818

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