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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Mount Pleasant, SC

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Area Code(s):843, 854
Timezone(s):Eastern (GMT -05:00)
City Population:67,843 (More Details)
CBSA:Charleston-North Charleston, SC
Congressional District(s):01
Land Area:916 square miles (county)
Water Area:442 square miles (county)

4 ZIP Codes

Mount Pleasant, SC ZIP Code Boundaries

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Mount Pleasant, SC Covers 4 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
29429Standard2,7373.64%MOUNT PLEASANT, MT PLEASANT
29464Standard43,64958.11%MT PLEASANT
29465P.O. Box00.00%MT PLEASANT
29466Standard28,72538.24%MT PLEASANT

Mount Pleasant, SC Demographic Information *

Total population**67,843
Male population32,623
Female population35,220
Median age (years)39.1
White Population61,938
Black Population3,439
Indian Population166
Asian Population1,115
Hawaiian Population25
Hispanic Population1,850
Median age (Male)38
Median age (Female)40.2
Total households27,742
Family households (families)18,045
Average household size2.43
Average family size2.99
Total housing units30,674
* Demographic data is based on 2010 Census for the City of MOUNT PLEASANT.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],