Sullivans Island, SC Profile: Facts & Data

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Sullivans Island, South Carolina - Basic Facts

The Town of Sullivan's Island had a population of 1,911 as of July 1, 2018. Sullivans Island ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in South Carolina. See peer rankings below.

The primary coordinate point for Sullivans Island is located at latitude 32.7709 and longitude -79.8311 in Charleston County. The formal boundaries for the Town of Sullivan's Island (see map below) encompass a land area of 2.5 sq. miles and a water area of 0.94 sq. miles. Charleston County is in the Eastern time zone (GMT -5). The elevation is 7 feet.

The Town of Sullivan's Island (GNIS ID: 2406679) 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.

South Carolina is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Sullivan's Island is located within Mount Pleasant Division of Charleston County.

Alternate Unofficial Names for Sullivans Island: Moultrieville, Sullivan's Island.

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


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Sullivans Island, SC Data & Demographics (As of July 1, 2018)

POPULATION

Total Population 1,911
Population in Households 1,911
Population in Familes 1,484
Population in Group Qrtrs 0
Population Density2 765
Diversity Index3 6
 

INCOME

Median Household Income $124,420
Average Household Income $191,071
Per Capita Income $81,588

HOUSING

Total Housing Units 1,123 (100%)
Owner Occupied HU 594 (52.9%)
Renter Occupied HU 222 (19.8%)
Vacant Housing Units 307 (27.3%)
Median Home Value $1,469,697
Average Home Value $1,498,906
 

HOUSEHOLDS

Total Households 816
Average Household Size 2.34
Family Households 502
Average Family Size 3
NOTES
  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.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population 0.79% 0.75%
Households 0.79% 0.77%
Families 0.49% 0.59%
Median Household Income   0.09%
Per Capita Income   0.93%

Sullivans Island, SC - Peer Comparisons by Rank and Percentile

The table below compares Sullivans Island to the other 396 incorporated cities, towns and CDPs in South Carolina 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 # 190 52nd
Population Density # 172 57th
Diversity Index # 394 1st
Median Household Income # 2 100th
Per Capita Income # 3 99th

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

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