Harbor Island, SC · Census-designated place

Harbor Island, South Carolina houses and real estate market data.

Houses in Harbor Island, SC (Beaufort County) — market data for Harbor Island houses and the whole local market.

Census-designated place · Census GEOID 4532172

I'm buying in Harbor Island → I'm selling / what's my home worth? →
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Harbor Island, SC is a Census-designated place in Beaufort County, South Carolina — this guide covers houses in Harbor Island and the whole local market: resale homes, condos, land, and new construction.

Info from government sites and builders may have provided source info.

Open map pin ↗ · 32.408292, -80.43821

At a glance

Harbor Island market snapshot

Place type

Census-designated place

County

Beaufort County

Map pin

32.408292, -80.43821

Census GEOID

4532172

Land area

1.02 sq mi

Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About

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Why Harbor Island

What makes Harbor Island different

Census-designated place

The U.S. Census Bureau lists Harbor Island as a Census-designated place in Beaufort County, South Carolina — a settled community that is not an incorporated city, town, or village. This page uses the same /south-carolina/harbor-island/ guide pattern as incorporated places.

Nearby

Places around Harbor Island

County guide: Beaufort County — cities, market context, and local resources for the county that includes Harbor Island.

USAHouses.com also publishes Census place pages for other communities in the same county as Harbor Island.

Nearby communities include Fripp Island, Port Royal, Beaufort, Burton, Dale, Shell Point, Lobeco, Seabrook, Laurel Bay, Hilton Head Island, Sheldon, Ridgeland, Yemassee, Bluffton, Daufuskie Island, Hardeeville.

Adjacent-county Census places with USAHouses.com pages: Edisto Beach (~9.6 mi), Seabrook Island (~18.9 mi), Rockville (~19.7 mi), Meggett (~22.1 mi), Adams Run (~22.3 mi), Jacksonboro (~25.2 mi), Kiawah Island (~26.3 mi), Hollywood (~27.4 mi), Ravenel (~28.1 mi), Coosawhatchie (~31.5 mi), Folly Beach (~33.2 mi), Gillisonville (~35.6 mi), Cottageville (~36.6 mi), Walterboro (~36.8 mi), James Island (~36.9 mi), Sullivan's Island (~43.3 mi).

Census & home facts

Harbor Island data from published sources

County FHFA annual change (2025)

4.11%

County median listing price (FRED/Realtor.com) (2026-06-01)

$525,000

Census place type

CDP

County

Beaufort County

Land area (Census Gazetteer 2024)

1.02 sq mi

Census GEOID

4532172

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

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Common questions

Harbor Island FAQ

What kind of place is Harbor Island, SC?

The U.S. Census Bureau lists Harbor Island as a Census-designated place in Beaufort County, South Carolina — a settled community that is not an incorporated city, town, or village.

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New-home communities in Harbor Island, South Carolina

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