Population density (sq mi)43741091
Median age65.841.637.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)79%54%55%
Families w/ Kids under 1812%38%43%
Speak English93%72%79%
Speak Spanish2%21%13%

Key findings

  • The population density in Sanibel is 7% higher than Florida
  • The median age in Sanibel is 58% higher than Florida
  • In Sanibel 98.41% of the population is White
  • In Sanibel 0.35% of the population is Black
  • In Sanibel 0.37% of the population is Asian

Compare Sanibel, FL Demographics


      Sanibel population breakdown by race

      American Indian0.21%0.27%0.82%
      Native Hawaiian0.00%0.06%0.18%
      Mixed race0.65%2.48%3.06%
      Other race0.00%2.54%4.75%
      In Sanibel, 0.9% 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

      Sanibel age breakdown

      Marital status

      Age of children in married couples

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