StatisticDiablo GrandeCaliforniaNational
Population density (sq mi)21125691
Median age37.136.037.7
Male/Female ratio1.3:11.0:11.0:1
Married (15yrs & older)65%52%55%
Families w/ Kids under 1850%46%43%
Speak English73%56%79%
Speak Spanish21%29%13%

Key findings

  • The population density in Diablo Grande is 17% lower than California
  • The median age in Diablo Grande is 3% higher than California
  • In Diablo Grande 81.93% of the population is White
  • In Diablo Grande 5.47% of the population is Black
  • In Diablo Grande 6.30% of the population is Asian

Compare Diablo Grande, CA Demographics


      Diablo Grande population breakdown by race

      RaceDiablo GrandeCaliforniaNational
      American Indian0.00%0.74%0.82%
      Native Hawaiian0.00%0.39%0.18%
      Mixed race4.45%4.62%3.06%
      Other race1.85%13.28%4.75%
      In Diablo Grande, 33.5% 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

      Diablo Grande age breakdown

      Marital status

      Age of children in married couples

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