Population density (sq mi)1,82725691
Median age47.236.037.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)75%52%55%
Families w/ Kids under 1843%46%43%
Speak English72%56%79%
Speak Spanish4%29%13%

Key findings

  • The population density in Hillsborough is 614% higher than California
  • The median age in Hillsborough is 31% higher than California
  • In Hillsborough 63.74% of the population is White
  • In Hillsborough 1.56% of the population is Black
  • In Hillsborough 27.54% of the population is Asian

Compare Hillsborough, CA Demographics


      Hillsborough population breakdown by race

      American Indian0.06%0.74%0.82%
      Native Hawaiian0.00%0.39%0.18%
      Mixed race6.29%4.62%3.06%
      Other race0.81%13.28%4.75%
      In Hillsborough, 4.6% 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

      Hillsborough age breakdown

      Marital status

      Age of children in married couples

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