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St. Mary's County, MD

116,469 Population
358.6 square miles 324.8 people per square mile

Census data: ACS 2024 1-year unless noted

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Demographics

37.9 ±0.9 Median age
  • a little less than the figure in Maryland: 39.8 ±0.2
  • a little less than the figure in United States: 39.2 ±0.1

Economics

$55,613 ±$4,681 Per capita income
  • a little higher than the amount in Maryland: $53,199 ±$548
  • about 25 percent higher than the amount in United States: $45,256 ±$100
$123,666 ±$12,432 Median household income
  • about 20 percent higher than the amount in Maryland: $102,905 ±$1,404
  • about 1.5 times the amount in United States: $81,604 ±$128

7.9% ±2.5% (8,998  ±2,796) Persons below poverty line
  • about 90 percent of the rate in Maryland: 9.1% 555,770 (±0.4% / ±25,230)
  • about two-thirds of the rate in United States: 12.2% 40,354,268 (±0.1% / ±248,561)

29.9 minutes ±0.8 (1,457,090  ±60,583) Mean travel time to work * ACS 2024 5-year data
  • a little less than the figure in Maryland: 31.1 78,350,080 (±0.1 / ±410,720)
  • about 10 percent higher than the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

43,329 ±1,366 Number of households
  • Maryland: 2,401,394 ±7,099
  • United States: 132,737,144 ±140,273
2.6 ±0.1 (113,874  ±66) Persons per household
  • a little higher than the figure in Maryland: 2.6 6,133,638
  • a little higher than the figure in United States: 2.5 331,722,430

8.9% ±4.1% (2,416  ±1,116) Women 15-50 who gave birth during past year
  • more than 1.5 times the rate in Maryland: 5% 73,197 (±0.4% / ±5,454)
  • more than 1.5 times the rate in United States: 5% 3,971,434 (±0.1% / ±36,997)

Housing

46,949 ±232 Number of housing units
  • Maryland: 2,588,337 ±274
  • United States: 146,740,960 ±8,590

$415,300 ±$19,737 Median value of owner-occupied housing units
  • a little less than the amount in Maryland: $436,300 ±$3,089
  • about 20 percent higher than the amount in United States: $360,600 ±$618

9.7% ±2.9% (10,997  ±3,354.8) Moved since previous year
  • about 90 percent of the rate in Maryland: 10.7% 660,535 (±0.4% / ±26,018.6)
  • about 80 percent of the rate in United States: 11.8% 39,597,955 (±0.1% / ±197,294.9)

Social

92.8% ±5.8% (73,677  ±4,675.3) High school grad or higher
  • about the same as the rate in Maryland: 91.4% 3,989,793 (±0.8% / ±33,937.3)
  • a little higher than the rate in United States: 89.9% 212,133,683 (±0.1% / ±286,969.9)
36.9% ±3.7% (29,306  ±2,943.7) Bachelor's degree or higher
  • about 80 percent of the rate in Maryland: 44.7% 1,950,279 (±0.5% / ±22,486.5)
  • about the same as the rate in United States: 36.9% 86,932,699 (±0.1% / ±187,449.9)

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

4.2% (4,916  ±1,379) Foreign-born population
  • about one-quarter of the rate in Maryland: 17.1% 1,070,852
  • about one-quarter of the rate in United States: 14.8% 50,234,856

13.5% ±1.8% (11,718  ±1,558) Population with veteran status
  • about double the rate in Maryland: 6.8% 331,906 (±0.2% / ±10,821)
  • more than double the rate in United States: 5.9% 15,701,246 (±0% / ±75,366)
11,718 Total veterans ±1,558 10,371 Male ±1,312 1,347 Female ±592

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