Alum Rock demographics profile

StatisticAlum RockCaliforniaNational
Population density (sq mi)13,99525691
Median age32.736.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)53%52%55%
Families w/ Kids under 1851%46%43%
Speak English35%56%79%
Speak Spanish51%29%13%
Alum Rock, CA has a population of 11,877 and is the 3,443rd largest city in the United States. The population density is 13,995 per sq mi which is 5367% higher than the California average and 15347% higher than the national average. The median age in Alum Rock is 33 which is approximately 9% lower than the California average of 36. In Alum Rock, 53% of the population over 15 years of age are married, 35% speak English and 51% speak Spanish. 58% of Alum Rock residents were born in California, 5% were born out of state, 1% were born outside of the United States and 36% were foreign born.
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Did you know?

  • The population density in Alum Rock is 5367% higher than California.
  • The median age in Alum Rock is 9% lower than California.
  • In Alum Rock 29.17% of the population is White.
  • In Alum Rock 1.47% of the population is Black or African American.
  • In Alum Rock 13.72% of the population is Asian.

Compare Alum Rock, CA Demographics To Other Cities

Alum Rock population breakdown by race

RaceAlum RockCaliforniaNational
Black or African American1.47%5.85%12.63%
American Indian1.06%0.74%0.82%
Native Hawaiian0.13%0.39%0.18%
Mixed race6.78%4.62%3.06%
Other race47.68%13.28%4.75%
In Alum Rock, 72.4% 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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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 2016 United States Census Bureau American Community Survey (ACS).
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