Barnwell, SC Profile: Facts, Map & Data


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Barnwell, South Carolina - Basic Facts

The City of Barnwell had a population of 4,459 as of July 1, 2017. Barnwell ranks in the upper 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 Barnwell is located at latitude 33.2416 and longitude -81.3661 in Barnwell County. The formal boundaries for the City of Barnwell (see map below) encompass a land area of 7.84 sq. miles and a water area of 0.15 sq. miles. Barnwell County is in the Eastern time zone (GMT -5). The elevation is 217 feet.

The City of Barnwell (GNIS ID: 2403161) 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 City of Barnwell is located within Barnwell Division of Barnwell County.

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

Alternate Unofficial Names for Barnwell: Barnwell Court House, Barnwell Hill, Red Hill.

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City of Barnwell, SC Boundary Map

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


Total Population 4,459
Daytime Population: Workers 3,599
Daytime Population: Residents 2,778
Total Daytime Population (TDP) 6,377
Ratio TDP/Total Population1 1.43
Population in Households 4,370
Population in Familes 3,544
Population in Group Qrtrs 89
Population Density2 569
Diversity Index3 56


Median Household Income $31,608
Average Household Income $47,379
Per Capita Income $19,502


Total Housing Units 2,195 (100%)
Owner Occupied HU 1,118 (50.9%)
Renter Occupied HU 700 (31.9%)
Vacant Housing Units 377 (17.2%)
Median Home Value $95,107
Average Home Value $116,100


Total Households 1,818
Average Household Size 2.4
Family Households 1,183
Average Family Size 3
  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 -0.87% -1.07%
Households -0.85% -1.07%
Families -0.67% -1.21%
Median Household Income   2.25%
Per Capita Income   2.41%

Barnwell, SC - Peer Comparisons by Rank and Percentile

The table below compares Barnwell 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 # 107 73rd
Population Density # 218 45th
Diversity Index # 100 75th
Median Household Income # 300 24th
Per Capita Income # 241 39th

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

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