ZIP Code 29420 has segments in 2 Counties (Charleston, Dorchester).
Businesses Addresses: 322
PO Box Addresses: 0
Residential Addresses: 10,044
Multi-Family Addresses: 1,946
Single Family Addresses: 8,098
The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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North Charleston, SC 29420 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
23,959 (100%)
Population Density
2,389 per sq mi
Diversity Index1
64
INCOME
Median Household Income
$72,661
Per Capita Income
$39,165
Median Home Value
$331,700
HOUSING
Total HU (Housing Units)
9,957 (100%)
Owner Occupied HU
5,915 (59.4%)
Renter Occupied HU
3,600 (36.2%)
Vacant Housing Units
442 (4.4%)
HOUSEHOLDS
Total Households
9,515
Average Household Size
2.52
Family Households
6,686 (70.3%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
North Charleston, SC 29420 - Peer Comparisons by Rank and Percentile
The table below compares 29420 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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.
