North Charleston, SC 29420 ZIP Code Profile


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ZIP Code 29420: Basic Data & USPS Preferred City Name

Preferred Name, USPS
North Charleston, SC 29420

Acceptable Alternative
Charleston, SC 29420
N Charleston, SC 29420

Not Acceptable, USPS
Chas, SC 29420
No Chas, SC 29420

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 241
  • Single Family Addresses: 8,083
  • Multi-Family Addresses: 688
  • County: Dorchester County
  • Centroid: Latitude 32.924, Longitude -80.099
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 29420 has segments in 2 Counties (Charleston, Dorchester).

Neighborhood Data

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29420 ZIP Code Map

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North Charleston, SC 29420 Data & Demographics (As of July 1, 2017)


Total Population 20,822
Daytime Population: Workers 4,254
Daytime Population: Residents 9,964
Total Daytime Population (TDP) 14,218
Ratio TDP/Total Population1 0.68
Population in Households 20,822
Population in Familes 17,555
Population in Group Qrtrs 0
Population Density2 2,147
Diversity Index3 69


Median Household Income $58,284
Average Household Income $74,164
Per Capita Income $26,151


Total Housing Units 7,982 (100%)
Owner Occupied HU 4,754 (59.6%)
Renter Occupied HU 2,588 (32.4%)
Vacant Housing Units 640 ( 8.0%)
Median Home Value $176,804
Average Home Value $228,949


Total Households 7,342
Average Household Size 2.84
Family Households 5,410
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 1.6% 2.04%
Households 1.51% 2.02%
Families 1.39% 1.89%
Median Household Income   1.78%
Per Capita Income   2.19%

North Charleston, SC 29420 - Peer Comparisons by Rank and Percentile

The table below compares 29420 to the other 395 ZIP Codes 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 # 94 76th
Population Density # 14 97th
Diversity Index # 9 98th
Median Household Income # 44 89th
Per Capita Income # 96 76th

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

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