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Zip Code 29420 — North Charleston, SC

29420 is a ZIP Code associated with North Charleston, SC, located within Dorchester. The postal region supports an estimated population of 23,959 residents across Data Pending housing units, with a population density of 922.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (32.932020, -80.099380)

Data MetricLocal Statistic
Postal / Zip Code29420
Primary CityNorth Charleston
State / ProvinceSC
CountyDorchester
Total Population23,959
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density922.4 people/sq mi
TimezoneAmerica/New_York

How 29420 Compares

MetricZIP 29420Dorchester CountySC State Average
Population23,959166,9635,296,225
Median IncomeData PendingN/AN/A
Population Density922.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 29418North Charleston3.6 mi26,052N/A
Zip 29404Charleston Afb3.6 mi2,334N/A
Zip 29456Ladson3.7 mi41,214N/A
Zip 29406Charleston4.0 mi32,001N/A
Zip 29410Hanahan5.4 mi21,314N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →