Sanibel, FL Profile: Facts, Map & Data


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Sanibel, Florida - Basic Facts

The City of Sanibel had a population of 6,850 as of July 1, 2016. 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.

Beneath the boundary map are tables with Sanibel population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Sanibel, FL Boundary Map

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Boundary Maps: Sanibel Island CCD | Lee County | Florida Counties

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Sanibel, FL Data & Demographics (As of July 1, 2016)


Total Population 6,850
Population in Households 6,845
Population in Familes 5,448
Population in Group Qrtrs 5
Population Density1 425
Diversity Index2 10


Total Households 3,546
Average Household Size 1.93
Family Households 2,377
Average Family Size 2


Total Housing Units 8,487 (100%)
Owner Occupied HU 3,023 (35.6%)
Renter Occupied HU 523 ( 6.2%)
Vacant Housing Units 4,941 (58.2%)
Median Home Value $702,249
Average Home Value $750,289


Median Household Income $86,807
Average Household Income $134,826
Per Capita Income $69,824
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.92% 1.57%
Households 0.87% 1.52%
Families 0.72% 1.4%
Median Household Income   2.86%
Per Capita Income   1.88%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 # 389 58th
Population Density1 # 738 20th
Diversity Index2 # 894 3rd
Median Household Income # 47 95th
Per Capita Income # 19 98th

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

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