Harleyville is a town in Dorchester County, South Carolina, home to about 592 people across 1.1 square miles. Its ZIP code is 29448.
Homes sold for a median of $154 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Harleyville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Charleston International Airport (CHS)33 miles away |
|---|---|
| Nearest city of 250,000+ | Charlotte, NC139 miles away |
| Nearest city of 1 million+ | Philadelphia, PA554 miles away |
Straight-line distances from the center of Harleyville; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Harleyville had 666 residents in the 2020 census, up 12% since 2000.
It’s the 326th largest of 474 towns in South Carolina by population.
Dorchester County grew from 16,294 residents in 1900 to 161,540 in 2020.
Dorchester County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 35°F. About 50.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Holly Hill 1 Sw, SC weather station (7 miles away).
33,506 jobs at 2,861 businesses in Dorchester County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Harleyville.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|---|
| Physical and occupational therapists | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.