Mount Pleasant, SC Profile: Facts, Map & Data


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Mount Pleasant, South Carolina - Basic Facts

The Town of Mount Pleasant is the 4th largest city in South Carolina with a population of 81,467 as of July 1, 2017. Mount Pleasant 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 Mount Pleasant is located at latitude 32.8501 and longitude -79.8299 in Charleston County. The formal boundaries for the Town of Mount Pleasant (see map below) encompass a land area of 45.13 sq. miles and a water area of 7.52 sq. miles. Charleston County is in the Eastern time zone (GMT -5). The elevation is 23 feet.

The Town of Mount Pleasant (GNIS ID: 2406211) 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 Mount Pleasant is located within Mount Pleasant Division of Charleston County.

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

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Town of Mount Pleasant, SC Boundary Map

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


Total Population 81,467
Daytime Population: Workers 35,400
Daytime Population: Residents 37,791
Total Daytime Population (TDP) 73,191
Ratio TDP/Total Population1 0.90
Population in Households 80,903
Population in Familes 64,514
Population in Group Qrtrs 564
Population Density2 1,805
Diversity Index3 27


Median Household Income $81,341
Average Household Income $110,112
Per Capita Income $45,119


Total Housing Units 36,077 (100%)
Owner Occupied HU 23,811 (66.0%)
Renter Occupied HU 9,501 (26.3%)
Vacant Housing Units 2,764 ( 7.7%)
Median Home Value $384,314
Average Home Value $456,531


Total Households 33,313
Average Household Size 2.43
Family Households 21,362
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 2.56% 2.3%
Households 2.56% 2.29%
Families 2.35% 2.19%
Median Household Income   1.47%
Per Capita Income   2.29%

Mount Pleasant, SC - Peer Comparisons by Rank and Percentile

The table below compares Mount Pleasant 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 # 4 99th
Population Density # 36 91st
Diversity Index # 353 11th
Median Household Income # 11 97th
Per Capita Income # 12 97th

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

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