Statistic Mill Valley California National
Population 14,456 39,512,223 328,239,523
Population density (sq mi) 3,023 256 91
Median age 48.3 36.0 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 63% 52% 55%
Families w/ Kids under 18 43% 46% 43%
Speak English 87% 56% 79%
Speak Spanish 2% 29% 13%
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Demographics Quick Facts

  • The population density in Mill Valley is 1081% higher than California
  • The median age in Mill Valley is 34% higher than California
  • In Mill Valley 87.80% of the population is White
  • In Mill Valley 1.41% of the population is Black
  • In Mill Valley 5.49% of the population is Asian

Compare Mill Valley, CA Demographics

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      Mill Valley population breakdown by race

      Race Mill Valley California National
      White 87.80% 61.26% 73.35%
      Black 1.41% 5.85% 12.63%
      Asian 5.49% 13.85% 5.22%
      American Indian 0.00% 0.74% 0.82%
      Native Hawaiian 0.00% 0.39% 0.18%
      Mixed race 5.04% 4.62% 3.06%
      Other race 0.26% 13.28% 4.75%
      In Mill Valley, 3.9% 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

      Mill Valley age breakdown

      Marital status

      Age of children in married couples

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