James Island town, SC Profile: Facts & Data


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James Island town, South Carolina - Basic Facts

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The Town of James Island had a population of 11,907 as of July 1, 2022. James Island town ranks in the upper quartile for Population Density and 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 James Island town is located at latitude 32.7301 and longitude -79.9661 in Charleston County. The formal boundaries for the Town of James Island encompass a land area of 4.74 sq. miles and a water area of 0.03 sq. miles.

The Town of James Island 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 ""

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 James Island is located within James Island Division of Charleston County.

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  1. James Island town 2022 Demographic Data
  2. Growth Rates for James Island town (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 - 2022 Demographics

James Island town, SC Data & Demographics (As of July 1, 2022)


Total Population 11,907 (100%)
Population in Households 11,858 (99.6%)
Population in Families 8,874 (74.5%)
Population in Group Quarters1 49 ( 0.4%)
Population Density 2,510
Diversity Index2 34


Median Household Income $102,502
Average Household Income $135,186
% of Income for Mortgage4 19%
Per Capita Income $54,528
Wealth Index5 158


Total HU (Housing Units) 5,192 (100%)
Owner Occupied HU 4,089 (78.8%)
Renter Occupied HU 735 (14.2%)
Vacant Housing Units 368 ( 7.1%)
Median Home Value $366,820
Average Home Value $443,252
Housing Affordability Index3 143


Total Households 4,824
Average Household Size 2.46
Family Households 2,897
Average Family Size 3.00
  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.


2020-2022 2022-2027
Population 1.09% 0.60%
Households 1.08% 0.69%
Families   0.53%
Median Household Income   1.90%
Per Capita Income   2.68%
Owner Occupied HU   0.88%

James Island town, SC - Peer Comparisons by Rank and Percentile

The table below compares James Island town to the other 475 incorporated cities, towns and CDPs in South Carolina by rank and percentile using July 1, 2022 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 # 53 89th
Population Density # 13 97th
Median Household Income # 23 95th
Housing Affordability Index # 175 37th
Per Capita Income # 25 95th
Diversity Index # 403 15th

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

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