Statistic San Martin California National
Population 6,498 39,512,223 328,239,523
Population density (sq mi) 560 256 91
Median age 44.7 36.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 57% 52% 55%
Families w/ Kids under 18 36% 46% 43%
Speak English 58% 56% 79%
Speak Spanish 39% 29% 13%
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Demographics Quick Facts

  • The population density in San Martin is 119% higher than California
  • The median age in San Martin is 24% higher than California
  • In San Martin 71.78% of the population is White
  • In San Martin 1.66% of the population is Black
  • In San Martin 3.99% of the population is Asian

Compare San Martin, CA Demographics

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      San Martin population breakdown by race

      Race San Martin California National
      White 71.78% 61.26% 73.35%
      Black 1.66% 5.85% 12.63%
      Asian 3.99% 13.85% 5.22%
      American Indian 0.18% 0.74% 0.82%
      Native Hawaiian 0.57% 0.39% 0.18%
      Mixed race 11.03% 4.62% 3.06%
      Other race 10.79% 13.28% 4.75%
      In San Martin, 45.6% 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

      San Martin age breakdown

      Marital status

      Age of children in married couples

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