Statistic San Carlos California National
Population 29,647 39,512,223 328,239,523
Population density (sq mi) 5,478 256 91
Median age 40.7 36.0 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 65% 52% 55%
Families w/ Kids under 18 49% 46% 43%
Speak English 77% 56% 79%
Speak Spanish 4% 29% 13%
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Demographics Quick Facts

  • The population density in San Carlos is 2040% higher than California
  • The median age in San Carlos is 13% higher than California
  • In San Carlos 71.07% of the population is White
  • In San Carlos 0.72% of the population is Black
  • In San Carlos 17.59% of the population is Asian

Compare San Carlos, CA Demographics

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      San Carlos population breakdown by race

      Race San Carlos California National
      White 71.07% 61.26% 73.35%
      Black 0.72% 5.85% 12.63%
      Asian 17.59% 13.85% 5.22%
      American Indian 0.12% 0.74% 0.82%
      Native Hawaiian 0.25% 0.39% 0.18%
      Mixed race 8.21% 4.62% 3.06%
      Other race 2.04% 13.28% 4.75%
      In San Carlos, 8.2% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      San Carlos age breakdown

      Marital status

      Age of children in married couples

      Source: The San Carlos, CA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).