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San Mateo County, CA

726,353 Population
448.6 square miles 1,619.1 people per square mile

Census data: ACS 2023 1-year unless noted

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Demographics

41.5 ±0.4 Median age
  • about 10 percent higher than the figure in California: 38.2 ±0.1
  • a little higher than the figure in United States: 39.2 ±0.1

Economics

$81,844 ±$2,132 Per capita income
  • more than 1.5 times the amount in California: $48,013 ±$250
  • nearly double the amount in United States: $43,313 ±$91
$151,485 ±$3,563 Median household income
  • about 1.5 times the amount in California: $95,521 ±$611
  • about double the amount in United States: $77,719 ±$186

7.3% ±0.7% (52,835  ±5,093) Persons below poverty line
  • about three-fifths of the rate in California: 12% 4,588,687 (±0.2% / ±71,646)
  • about three-fifths of the rate in United States: 12.5% 40,763,044 (±0.1% / ±277,214)

27 minutes ±0.7 (8,305,290  ±282,337) Mean travel time to work
  • about 90 percent of the figure in California: 29.2 465,548,030 (±0.1 / ±2,732,201)
  • about the same as the figure in United States: 26.8 3,749,033,000 (±0 / ±7,372,533)

Families

265,124 ±3,090 Number of households
  • California: 13,699,816 ±20,966
  • United States: 131,332,360 ±130,190
2.7 ±0 (714,286  ±219) Persons per household
  • a little less than the figure in California: 2.8 † 38,073,200 (±40.6 / ±-555,555,600)
  • about 10 percent higher than the figure in United States: 2.5 † 326,701,630 (±4.2 / ±-555,555,600)

4.8% ±0.9% (8,113  ±1,446) Women 15-50 who gave birth during past year
  • about the same as the rate in California: 4.8% 450,412 (±0.1% / ±12,915)
  • a little less than the rate in United States: 5.2% 4,018,933 (±0.1% / ±41,679)

Housing

288,325 ±103 Number of housing units
  • California: 14,762,527 ±428
  • United States: 145,333,460 ±10,062

$1,492,600 ±$54,475 Median value of owner-occupied housing units
  • more than double the amount in California: $725,800 ±$2,850
  • more than double the amount in United States: $340,200 ±$571

11% ±0.9% (78,875  ±6,330.8) Moved since previous year
  • a little higher than the rate in California: 10.5% 4,056,831 (±0.2% / ±59,611.4)
  • about 90 percent of the rate in United States: 12.1% 40,001,900 (±0.1% / ±,198,133.8)

Social

89.7% ±2% (479,801  ±10,849.8) High school grad or higher
  • a little higher than the rate in California: 84.8% 22,875,415 (±0.3% / ±78,978.8)
  • about the same as the rate in United States: 89.8% 208,092,664 (±0.1% / ±,278,776.4)
54.8% ±1.5% (293,377  ±8,044.9) Bachelor's degree or higher
  • about 1.5 times the rate in California: 37.5% 10,110,325 (±0.2% / ±48,413.6)
  • about 1.5 times the rate in United States: 36.2% 83,816,088 (±0.1% / ±,181,834.5)

45.2% ±1.4% (312,212  ±9,576) Persons with language other than English spoken at home
  • about the same as the rate in California: 45% 16,604,364 (±0.2% / ±70,281.5)
  • about double the rate in United States: 22.5% 71,109,120 (±0.1% / ±,222,236.2)

36% ±27,508.4% (261,236  ±8,380) Foreign-born population
  • about 1.3 times the rate in California: 27.3% † 10,640,017 (±,389.3% / ±60,440)
  • more than double the rate in United States: 14.3% † 47,831,412 (±23.7% / ±190,469)

2.7% ±0.3% (16,023  ±1,964) Population with veteran status
  • about two-thirds of the rate in California: 4.1% 1,242,882 (±0.1% / ±19,495)
  • about half the rate in United States: 6.1% 15,813,955 (±0% / ±66,116)
16,023 Total veterans ±1,964 15,141 Male ±1,815 882 Female ±551

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