Statistic Eureka California National
Population 26,938 39,512,223 328,239,523
Population density (sq mi) 2,825 256 91
Median age 38.6 36.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 40% 52% 55%
Families w/ Kids under 18 42% 46% 43%
Speak English 85% 56% 79%
Speak Spanish 8% 29% 13%
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Demographics Quick Facts

  • The population density in Eureka is 1003% higher than California
  • The median age in Eureka is 7% higher than California
  • In Eureka 72.91% of the population is White
  • In Eureka 2.30% of the population is Black
  • In Eureka 6.20% of the population is Asian

Compare Eureka, CA Demographics

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      Eureka population breakdown by race

      Race Eureka California National
      White 72.91% 61.26% 73.35%
      Black 2.30% 5.85% 12.63%
      Asian 6.20% 13.85% 5.22%
      American Indian 1.67% 0.74% 0.82%
      Native Hawaiian 0.23% 0.39% 0.18%
      Mixed race 10.16% 4.62% 3.06%
      Other race 6.54% 13.28% 4.75%
      In Eureka, 15.6% 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

      Eureka age breakdown

      Marital status

      Age of children in married couples

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