Saint George Island, FL Profile: Facts & Data


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Saint George Island, Florida - Basic Facts

The Saint George Island Census Designated Place had a population of 450 as of July 1, 2020. Saint George Island 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 Saint George Island is located at latitude 29.659 and longitude -84.8787 in Franklin County. The formal boundaries for the Saint George Island Census Designated Place encompass a land area of 4.75 sq. miles and a water area of 8.54 sq. miles. Franklin County is in the Eastern time zone (GMT -5). The elevation is 3 feet.

The Saint George Island Census Designated Place (GNIS ID: 2711817) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of ""

Florida is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Saint George Island Census Designated Place is located within Apalachicola CCD of Franklin County.


Saint George Island, FL Data & Demographics (As of July 1, 2020)


Total Population 450 (100%)
Population in Households 450 (100.0%)
Population in Families 317 (70.4%)
Population in Group Quarters1 0
Population Density 95
Diversity Index2 15


Median Household Income $84,597
Average Household Income $102,820
% of Income for Mortgage4 26%
Per Capita Income $54,484
Wealth Index5 173


Total HU (Housing Units) 965 (100%)
Owner Occupied HU 205 (21.2%)
Renter Occupied HU 28 ( 2.9%)
Vacant Housing Units 732 (75.9%)
Median Home Value $525,362
Average Home Value $641,141
Housing Affordability Index3 98


Total Households 233
Average Household Size 1.93
Family Households 137
Average Family Size 2
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.09% -0.04%
Households -0.04% -0.17%
Families 0.36% -0.15%
Median Household Income   1.1%
Per Capita Income   0.93%
Owner Occupied HU   -0.1%


Saint George Island, FL - Peer Comparisons by Rank and Percentile

The table below compares Saint George Island to the other 919 incorporated cities, towns and CDPs in Florida by rank and percentile using July 1, 2020 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 # 835 9th
Population Density # 881 4th
Median Household Income # 115 88th
Housing Affordability Index # 114 12th
Per Capita Income # 89 90th
Diversity Index # 860 6th

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

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