Population density (sq mi)3,33925691
Median age43.936.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)65%52%55%
Families w/ Kids under 1836%46%43%
Speak English35%56%79%
Speak Spanish13%29%13%

Key findings

  • The population density in Walnut is 1204% higher than California
  • The median age in Walnut is 22% higher than California
  • In Walnut 21.37% of the population is White
  • In Walnut 3.06% of the population is Black
  • In Walnut 63.75% of the population is Asian

Compare Walnut, CA Demographics


      Walnut population breakdown by race

      American Indian0.31%0.74%0.82%
      Native Hawaiian0.00%0.39%0.18%
      Mixed race3.44%4.62%3.06%
      Other race8.06%13.28%4.75%
      In Walnut, 20.6% 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

      Walnut age breakdown

      Marital status

      Age of children in married couples

      Source: The Walnut, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).