Population density (sq mi)1,5401,146410
Median age32.835.741.6
Male/Female ratio0.7:10.9:11.0:1
Married (15yrs & older)n/a50%54%
Families w/ Kids under 1844%42%38%
Speak Englishn/a86%72%
Speak Spanishn/a6%21%

Key findings

  • The population density in Biscayne is 34% higher than Jacksonville
  • The median age in Biscayne is 8% lower than Jacksonville
  • In Biscayne 19.35% of the population is White
  • In Biscayne 77.10% of the population is Black
  • In Biscayne 1.30% of the population is Asian

Compare Jacksonville, FL Demographics


      Biscayne population breakdown by race

      American Indian0.00%0.23%0.27%
      Native Hawaiian0.00%0.12%0.06%
      Mixed race1.55%3.52%2.48%
      Other race0.69%1.22%2.54%
      In Biscayne, 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

      Biscayne age breakdown

      Marital status

      Age of children in married couples

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