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Contra Costa County, CA

1,161,413 Population
716.9 square miles 1,620 people per square mile

Census data: ACS 2021 1-year unless noted

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Demographics

40.4 ±0.3 Median age
  • about 10 percent higher than the figure in California: 37.6 ±0.1
  • a little higher than the figure in United States: 38.8 ±0.1

Economics

$54,882 ±$1,659 Per capita income
  • about 1.3 times the amount in California: $42,396 ±$233
  • about 1.4 times the amount in United States: $38,332 ±$79
$111,080 ±$3,388 Median household income
  • about 1.3 times the amount in California: $84,907 ±$542
  • about 1.5 times the amount in United States: $69,717 ±$134

8.8% ±0.8% (101,318  ±9,294) Persons below poverty line
  • about two-thirds of the rate in California: 12.3% 4,733,036 (±0.2% / ±68,101)
  • about two-thirds of the rate in United States: 12.8% 41,393,176 (±0.1% / ±243,679)

31.9 minutes ±0.6 (12,545,415  ±390,375) Mean travel time to work
  • about 20 percent higher than the figure in California: 27.6 385,992,600 (±0.1 / ±2,410,052)
  • about 25 percent higher than the figure in United States: 25.6 3,247,967,500 (±0 / ±6,621,416)

Families

411,560 ±2,396 Number of households
  • California: 13,429,063 ±19,170
  • United States: 127,544,730 ±97,632
2.8 ±0 (1,152,343  ±1,084) Persons per household
  • about the same as the figure in California: 2.9 38,422,140
  • about 10 percent higher than the figure in United States: 2.5 324,132,900

6.7% ±0.9% (17,911  ±2,331) Women 15-50 who gave birth during past year
  • about 1.4 times the rate in California: 4.9% 458,334 (±0.1% / ±13,293)
  • about 1.3 times the rate in United States: 5.1% 3,922,188 (±0.1% / ±46,069)

Housing

426,327 ±388 Number of housing units
  • California: 14,512,149 ±1,218
  • United States: 142,148,050 ±4,219

$780,500 ±$19,273 Median value of owner-occupied housing units
  • about 20 percent higher than the amount in California: $648,100 ±$2,021
  • more than double the amount in United States: $281,400 ±$452

10.3% ±0.9% (118,296  ±10,385) Moved since previous year
  • about 90 percent of the rate in California: 11.3% 4,371,473 (±0.1% / ±54,643.1)
  • about 80 percent of the rate in United States: 12.8% 41,911,615 (±0.1% / ±181,549)

Social

89.7% ±1.6% (728,436  ±13,234.2) High school grad or higher
  • a little higher than the rate in California: 84.5% 22,724,990 (±0.3% / ±77,239)
  • about the same as the rate in United States: 89.4% 203,920,983 (±0.1% / ±264,625.2)
45.1% ±1.1% (366,183  ±8,895.5) Bachelor's degree or higher
  • about 25 percent higher than the rate in California: 36.2% 9,737,817 (±0.2% / ±46,277.1)
  • about 1.3 times the rate in United States: 35% 79,903,463 (±0.1% / ±166,943.4)

36.7% ±1% (403,190  ±11,323.7) Persons with language other than English spoken at home
  • about 80 percent of the rate in California: 43.9% 16,263,962 (±0.2% / ±66,032.3)
  • more than 1.5 times the rate in United States: 21.6% 67,754,440 (±0.1% / ±171,150.5)

25.2% ±0.8% (293,101  ±9,354) Foreign-born population
  • a little less than the rate in California: 26.6% 10,451,810 (±0.1% / ±54,396)
  • nearly double the rate in United States: 13.6% 45,270,104 (±0% / ±140,397)

4.2% ±0.4% (37,931  ±3,143) Population with veteran status
  • a little less than the rate in California: 4.4% 1,342,337 (±0.1% / ±18,280)
  • about two-thirds of the rate in United States: 6.4% 16,501,502 (±0% / ±78,614)
37,931 Total veterans ±3,143 35,036 Male ±3,005 2,895 Female ±1,071

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