StatisticDuck KeyFloridaNational
Population density (sq mi)1,19641091
Median age59.441.637.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)58%54%55%
Families w/ Kids under 1819%38%43%
Speak English78%72%79%
Speak Spanish19%21%13%

Key findings

  • The population density in Duck Key is 192% higher than Florida
  • The median age in Duck Key is 43% higher than Florida
  • In Duck Key 87.15% of the population is White
  • In Duck Key 12.29% of the population is Black
  • In Duck Key 0.00% of the population is Asian

Compare Duck Key, FL Demographics


      Duck Key population breakdown by race

      RaceDuck KeyFloridaNational
      American Indian0.00%0.27%0.82%
      Native Hawaiian0.00%0.06%0.18%
      Mixed race0.56%2.48%3.06%
      Other race0.00%2.54%4.75%
      In Duck Key, 7.7% 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

      Duck Key age breakdown

      Marital status

      Age of children in married couples

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