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Census place · GEOID 4532172 · Beaufort County

Harbor Island, SC ZIP codes

1 ZIP/ZCTA intersecting this Census place (CDP) in Beaufort County.

ACS 2023 population

310

Median household income

$100,250

Median home value

$284,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Harbor Island (GEOID 4532172). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 9,918 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

ZIP/ZCTA overlap with Harbor Island

Population overlap

Share of each ZIP/ZCTA’s population located within Harbor Island, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Harbor Island

ZIPCityCountyPopulationIncome
29920Saint Helena IslandBeaufort County9,918$72,865