Johnston, SC Profile: Facts, Map & Data


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Johnston, South Carolina - Basic Facts

The Town of Johnston had a population of 2,359 as of July 1, 2016. Johnston 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 Johnston is located at latitude 33.8334 and longitude -81.8048 in Edgefield County. The formal boundaries for the Town of Johnston (see map below) encompass a land area of 2.65 sq. miles and a water area of 0.09 sq. miles. Edgefield County is in the Eastern time zone (GMT -5). The elevation is 663 feet.

The Town of Johnston (GNIS ID: 2405917) 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 Johnston is located within Johnston Division of Edgefield County.

Beneath the boundary map are tables with Johnston population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Johnston: Johnson, Lotts.

Neighborhood Data

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Town of Johnston, SC Boundary Map

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Boundary Maps: Johnston Division | Edgefield County | South Carolina Counties

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Johnston, SC Data & Demographics (As of July 1, 2016)


Total Population 2,359
Population in Households 2,296
Population in Familes 1,859
Population in Group Qrtrs 63
Population Density1 891
Diversity Index2 62


Total Households 957
Average Household Size 2.4
Family Households 629
Average Family Size 3


Total Housing Units 1,087 (100%)
Owner Occupied HU 544 (50.0%)
Renter Occupied HU 413 (38.0%)
Vacant Housing Units 130 (12.0%)
Median Home Value $85,990
Average Home Value $114,982


Median Household Income $28,928
Average Household Income $39,990
Per Capita Income $15,972
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.02% -0.07%
Households 0.05% -0.02%
Families 0.03% -0.16%
Median Household Income   -0.36%
Per Capita Income   0.87%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Johnston, SC - Peer Comparisons by Rank and Percentile

The table below compares Johnston to the other 396 incorporated cities, towns and CDPs in South Carolina by rank and percentile using July 1, 2016 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 # 167 58th
Population Density1 # 147 63rd
Diversity Index2 # 38 91st
Median Household Income # 335 16th
Per Capita Income # 339 15th

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

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