Population density (sq mi)1,9291,146410
Median age40.335.741.6
Male/Female ratio0.9:10.9:11.0:1
Married (15yrs & older)n/a50%54%
Families w/ Kids under 1834%42%38%
Speak Englishn/a86%72%
Speak Spanishn/a6%21%

Key findings

  • The population density in Fairfax is 68% higher than Jacksonville
  • The median age in Fairfax is 13% higher than Jacksonville
  • In Fairfax 92.20% of the population is White
  • In Fairfax 2.19% of the population is Black
  • In Fairfax 5.16% of the population is Asian

Compare Jacksonville, FL Demographics


      Fairfax population breakdown by race

      American Indian0.00%0.23%0.27%
      Native Hawaiian0.00%0.12%0.06%
      Mixed race0.26%3.52%2.48%
      Other race0.19%1.22%2.54%
      In Fairfax, 8.8% 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

      Fairfax age breakdown

      Marital status

      Age of children in married couples

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