Statistic Alum Rock California National
Population 11,798 39,512,223 328,239,523
Population density (sq mi) 13,578 256 91
Median age 35.3 36.0 37.7
Male/Female ratio 1.1:1 1.0:1 1.0:1
Married (15yrs & older) 48% 52% 55%
Families w/ Kids under 18 46% 46% 43%
Speak English 37% 56% 79%
Speak Spanish 49% 29% 13%
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Demographics Quick Facts

  • The population density in Alum Rock is 5204% higher than California
  • The median age in Alum Rock is 2% lower than California
  • In Alum Rock 30.78% of the population is White
  • In Alum Rock 0.90% of the population is Black
  • In Alum Rock 17.10% of the population is Asian

Compare Alum Rock, CA Demographics

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      Alum Rock population breakdown by race

      Race Alum Rock California National
      White 30.78% 61.26% 73.35%
      Black 0.90% 5.85% 12.63%
      Asian 17.10% 13.85% 5.22%
      American Indian 0.64% 0.74% 0.82%
      Native Hawaiian 0.00% 0.39% 0.18%
      Mixed race 10.30% 4.62% 3.06%
      Other race 40.28% 13.28% 4.75%
      In Alum Rock, 71.1% 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

      Alum Rock age breakdown

      Marital status

      Age of children in married couples

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