StatisticBrown IslandJacksonvilleFlorida
Population density (sq mi)781,146410
Median age39.035.741.6
Male/Female ratio1.1:10.9:11.0:1
Married (15yrs & older)n/a50%54%
Families w/ Kids under 1832%42%38%
Speak Englishn/a86%72%
Speak Spanishn/a6%21%

Key findings

  • The population density in Brown Island is 93% lower than Jacksonville
  • The median age in Brown Island is 9% higher than Jacksonville
  • In Brown Island 77.18% of the population is White
  • In Brown Island 16.13% of the population is Black
  • In Brown Island 2.07% of the population is Asian

Compare Jacksonville, FL Demographics


      Brown Island population breakdown by race

      RaceBrown IslandJacksonvilleFlorida
      American Indian0.00%0.23%0.27%
      Native Hawaiian0.00%0.12%0.06%
      Mixed race3.94%3.52%2.48%
      Other race0.68%1.22%2.54%
      In Brown Island, 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

      Brown Island age breakdown

      Marital status

      Age of children in married couples

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