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San Mateo County, CA

742,893 Population
448.6 square miles 1,656 people per square mile

Census data: ACS 2024 1-year unless noted

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Demographics

41.5 ±0.3 Median age
  • about 10 percent higher than the figure in California: 38.4 ±0.1
  • a little higher than the figure in United States: 39.2 ±0.1

Economics

$84,778 ±$2,376 Per capita income
  • more than 1.5 times the amount in California: $49,934 ±$232
  • nearly double the amount in United States: $45,256 ±$100
$160,733 ±$6,418 Median household income
  • about 1.5 times the amount in California: $100,149 ±$381
  • about double the amount in United States: $81,604 ±$128

7.1% ±0.9% (52,051  ±6,391) Persons below poverty line
  • about three-fifths of the rate in California: 11.8% 4,567,967 (±0.2% / ±68,831)
  • about three-fifths of the rate in United States: 12.2% 40,354,268 (±0.1% / ±248,561)

27.2 minutes ±0.6 (8,865,775  ±297,601) Mean travel time to work
  • about 90 percent of the figure in California: 29.7 481,218,370 (±0.1 / ±2,696,690)
  • about the same as the figure in United States: 27.2 3,895,171,300 (±0 / ±7,663,316)

Families

266,249 ±3,329 Number of households
  • California: 13,797,638 ±19,379
  • United States: 132,737,144 ±140,273
2.8 ±0 (732,739  ±337) Persons per household
  • about the same as the figure in California: 2.8 38,537,960
  • about 10 percent higher than the figure in United States: 2.5 331,722,430

4.4% ±0.9% (7,597  ±1,540) Women 15-50 who gave birth during past year
  • about the same as the rate in California: 4.5% 430,221 (±0.1% / ±12,150)
  • about 90 percent of the rate in United States: 5% 3,971,434 (±0.1% / ±36,997)

Housing

290,427 ±162 Number of housing units
  • California: 14,877,017 ±1,124
  • United States: 146,740,960 ±8,590

$1,576,200 ±$38,991 Median value of owner-occupied housing units
  • more than double the amount in California: $759,500 ±$3,644
  • more than double the amount in United States: $360,600 ±$618

11.1% ±1% (81,104  ±7,596.3) Moved since previous year
  • a little higher than the rate in California: 10.4% 4,053,576 (±0.2% / ±69,085.7)
  • a little less than the rate in United States: 11.8% 39,597,955 (±0.1% / ±197,294.9)

Social

90.2% ±2% (493,393  ±11,123.7) High school grad or higher
  • a little higher than the rate in California: 84.9% 23,227,841 (±0.3% / ±84,605.4)
  • about the same as the rate in United States: 89.9% 212,133,683 (±0.1% / ±286,969.9)
54.9% ±1.5% (300,553  ±7,983.8) Bachelor's degree or higher
  • about 1.4 times the rate in California: 38.1% 10,436,652 (±0.2% / ±53,771.8)
  • about 1.5 times the rate in United States: 36.9% 86,932,699 (±0.1% / ±187,449.9)

46.1% ±1.5% (325,255  ±10,514.9) Persons with language other than English spoken at home
  • about the same as the rate in California: 45.3% 16,935,156 (±0.2% / ±69,359.3)
  • about double the rate in United States: 23% 74,050,850 (±0.1% / ±226,318.1)

35.6% (264,655  ±8,968) Foreign-born population
  • about 1.3 times the rate in California: 27.7% 10,902,022
  • more than double the rate in United States: 14.8% 50,234,856

2.5% ±0.3% (15,236  ±1,949) Population with veteran status
  • about three-fifths of the rate in California: 4% 1,239,625 (±0.1% / ±17,966)
  • about two-fifths of the rate in United States: 5.9% 15,701,246 (±0% / ±75,366)
15,236 Total veterans ±1,949 14,115 Male ±1,756 1,121 Female ±582

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