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Charleston County, South Carolina ZIP code demographics

29 ZIP Code Tabulation Areas in Charleston County, South Carolina. The population-weighted median household income is about $90,661, the median home value about $513,878, and 65.4% of occupied homes are owner-occupied.

29
ZIP codes
530.5K
Population
53
Data points

Charleston County at a glance

$90,661
Median household income
$513,878
Median home value
39.5
Median age
65.4%
Owner-occupied
256,146
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Charleston County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
129482Sullivan's Island2,08785.3%$192,813
229451Isle of Palms4,36293.5%$156,979
329439Folly Beach1,12593.8%$137,396
429466Mount Pleasant44,94284.7%$133,357
529455Charleston27,57688.2%$121,372
Top 5 Charleston County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
129485Ladson58,50774.1%$82,987
229464Charleston53,04565.5%$111,907
329466Mount Pleasant44,94284.7%$133,357
429414Charleston44,72762.1%$99,529
529456Goose Creek41,21461.7%$78,361
Top 5 Charleston County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
129466Mount Pleasant44,94284.7%$133,357$2B
229464Charleston53,04565.5%$111,907$1.8B
329485Ladson58,50774.1%$82,987$1.4B
429455Charleston27,57688.2%$121,372$1.3B
529412Charleston39,25672.7%$101,509$1.2B

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 29424 (Charleston) at 32,643 people/sq mi. Least dense: 29450 at 20 people/sq mi.

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