Kiawah Island, SC Profile: Facts, Map & Data


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Kiawah Island, South Carolina - Basic Facts

The Town of Kiawah Island had a population of 1,874 as of July 1, 2017. Kiawah 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 South Carolina. See peer rankings below.

The primary coordinate point for Kiawah Island is located at latitude 32.6164 and longitude -80.0608 in Charleston County. The formal boundaries for the Town of Kiawah Island (see map below) encompass a land area of 10.99 sq. miles and a water area of 2.47 sq. miles. Charleston County is in the Eastern time zone (GMT -5). The elevation is 3 feet.

The Town of Kiawah Island (GNIS ID: 2405943) 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 Kiawah Island is located within Kiawah Island-Seabrook Island Division of Charleston County.

Beneath the boundary map are tables with Kiawah Island population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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Town of Kiawah Island, SC Boundary Map

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Boundary Maps: Kiawah Island-Seabrook Island Division | Charleston County | South Carolina Counties

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Kiawah Island, SC Data & Demographics (As of July 1, 2017)


Total Population 1,874
Daytime Population: Workers 3,577
Daytime Population: Residents 1,343
Total Daytime Population (TDP) 4,920
Ratio TDP/Total Population1 2.63
Population in Households 1,874
Population in Familes 1,652
Population in Group Qrtrs 0
Population Density2 171
Diversity Index3 8


Median Household Income $136,682
Average Household Income $196,962
Per Capita Income $98,901


Total Housing Units 3,859 (100%)
Owner Occupied HU 893 (23.1%)
Renter Occupied HU 48 ( 1.2%)
Vacant Housing Units 2,918 (75.6%)
Median Home Value $1,000,001
Average Home Value $1,021,473


Total Households 941
Average Household Size 1.99
Family Households 737
Average Family Size 2
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 1.98% 1.99%
Households 2.04% 2.06%
Families 1.88% 1.98%
Median Household Income   -0.13%
Per Capita Income   0.94%

Kiawah Island, SC - Peer Comparisons by Rank and Percentile

The table below compares Kiawah Island to the other 396 incorporated cities, towns and CDPs in South Carolina by rank and percentile using July 1, 2017 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 # 193 52nd
Population Density # 337 15th
Diversity Index # 391 2nd
Median Household Income # 1 100th
Per Capita Income # 1 100th

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

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