Sanibel, FL Profile: Facts & Data


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Sanibel, Florida - Basic Facts

The City of Sanibel had a population of 7,235 as of July 1, 2018. Sanibel ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Florida. See peer rankings below.

The primary coordinate point for Sanibel is located at latitude 26.451 and longitude -82.1057 in Lee County. The formal boundaries for the City of Sanibel (see map below) encompass a land area of 16.12 sq. miles and a water area of 17.13 sq. miles. Lee County is in the Eastern time zone (GMT -5). The elevation is 7 feet.

The City of Sanibel (GNIS ID: 2405420) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Florida is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Sanibel is located within Sanibel Island CCD of Lee County.

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  1. Sanibel 2018 Demographic Data
  2. Growth Rates for Sanibel (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Florida Research Tools (Easy Tools & Current Data)
  3. Florida Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Sanibel, FL Data & Demographics (As of July 1, 2018)


Total Population 7,235
Population in Households 7,230
Population in Familes 5,716
Population in Group Qrtrs 5
Population Density2 449
Diversity Index3 10


Median Household Income $95,392
Average Household Income $142,857
Per Capita Income $73,855


Total Housing Units 8,534 (100%)
Owner Occupied HU 3,250 (38.1%)
Renter Occupied HU 489 ( 5.7%)
Vacant Housing Units 4,795 (56.2%)
Median Home Value $724,707
Average Home Value $853,915


Total Households 3,739
Average Household Size 1.93
Family Households 2,506
Average Family Size 2
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 1.37% 1.83%
Households 1.31% 1.8%
Families 1.19% 1.71%
Median Household Income   3.16%
Per Capita Income   3.6%

Sanibel, FL - Peer Comparisons by Rank and Percentile

The table below compares Sanibel to the other 919 incorporated cities, towns and CDPs in Florida by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 387 58th
Population Density # 731 21st
Diversity Index # 894 3rd
Median Household Income # 41 96th
Per Capita Income # 23 98th

Additional comparisons and rankings can be made with a VERY EASY TO USE Florida Census Data Comparison Tool.

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