Johnston, SC Profile: Facts, Map & Data


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Johnston, South Carolina - Basic Facts

The Town of Johnston had a population of 2,263 as of July 1, 2017. 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, 2017.

Alternate Unofficial Names for Johnston: Johnson, Lotts.

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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, 2017)


Total Population 2,263
Daytime Population: Workers 468
Daytime Population: Residents 1,360
Total Daytime Population (TDP) 1,828
Ratio TDP/Total Population1 0.81
Population in Households 2,200
Population in Familes 1,778
Population in Group Qrtrs 63
Population Density2 855
Diversity Index3 62


Median Household Income $30,572
Average Household Income $42,611
Per Capita Income $16,980


Total Housing Units 1,075 (100%)
Owner Occupied HU 531 (49.4%)
Renter Occupied HU 382 (35.5%)
Vacant Housing Units 163 (15.2%)
Median Home Value $91,156
Average Home Value $119,943


Total Households 912
Average Household Size 2.41
Family Households 599
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 -0.59% -0.32%
Households -0.62% -0.29%
Families -0.65% -0.44%
Median Household Income   1.67%
Per Capita Income   2.69%

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, 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 # 169 58th
Population Density # 155 61st
Diversity Index # 37 91st
Median Household Income # 315 21st
Per Capita Income # 319 20th

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

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