Johnston is a town in Edgefield County, South Carolina, home to about 2,132 people across 2.6 square miles. Its ZIP code is 29832.
Homes sold for a median of $127 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 Johnston. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Johnston’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Charlotte Douglas International Airport (CLT)108 miles away |
|---|---|
| Closer regional airport | Augusta Regional At Bush Field (AGS)33 miles away |
| Nearest city of 250,000+ | Charlotte, NC110 miles away |
| Nearest city of 1 million+ | Philadelphia, PA564 miles away |
Straight-line distances from the center of Johnston; 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.
Johnston had 1,997 residents in the 2020 census, down 15% since 2000.
It’s the 188th largest of 474 towns in South Carolina by population.
Edgefield County grew from 25,478 residents in 1900 to 25,657 in 2020.
Edgefield County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 33°F. About 48.4 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Johnston 4 Sw, SC weather station (4 miles away).
4,914 jobs at 355 businesses in Edgefield County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Johnston.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Physical and occupational therapists | 1 |
| Chiropractors | 1 |
| Pharmacies | 1 |
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.
Parks (1 nearby)
Libraries (1 nearby)
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Edgefield 01. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Johnston ElementaryJohnston | Pre-K–5 | 276 | Public | 0.9 mi |
| Johnston-Edgefield-Trenton MiddleJohnston | 6–8 | 394 | Public | 4.3 mi |
| Strom Thurmond Career and Technology CenterJohnston | 9–12 | — | Career and Technical | 3.9 mi |
| Strom Thurmond HighJohnston | 9–12 | 720 | Public | 4.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Francis Hugh Wardlaw AcademyJohnston | Pre-K–12 | 205 | Nonsectarian | 3.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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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.