St. Clairsville is a city in Belmont County, Ohio, home to about 5,003 people across 2.4 square miles. Its ZIP code is 43950.
Homes sold for a median of $177 per square foot in the three months ending August 2026, a balanced market.
Mostly St. Clairsville; also Lloydsville and Bannock
Each card is that ZIP code’s whole market, including any part outside St. Clairsville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Clairsville’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Pittsburgh International Airport (PIT)49 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA58 miles away |
| Nearest city of 1 million+ | Philadelphia, PA309 miles away |
Straight-line distances from the center of St. Clairsville; 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.
St. Clairsville had 5,096 residents in the 2020 census, up 1% since 2000.
It’s the 291st largest of 1,264 towns in Ohio by population.
Belmont County grew from 60,875 residents in 1900 to 66,497 in 2020.
Belmont County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 20°F. About 42.7 inches of rain and melted snow fall in a typical year, with about 26 inches of snow.
Source: NOAA 1991–2020 climate normals, Cadiz, OH weather station (13 miles away).
18,121 jobs at 1,379 businesses in Belmont County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
276 doctors and other health care providers list an office in St. Clairsville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 20 |
|---|---|
| Specialist doctors | 18 |
| Dentists | 18 |
| Nurse practitioners and physician assistants | 60 |
| Mental health providers | 117 |
| Physical and occupational therapists | 28 |
| Optometrists | 9 |
| Chiropractors | 6 |
| Pharmacies | 8 |
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.
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.
Established in 1790.
Colleges and universities
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by St Clairsville-Richland City, Belmont-Harrison. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| St Clairsville Elementary SchoolSaint Clairsville | Pre-K–4 | 621 | Public | 4.6 mi |
| St Clairsville Middle SchoolSaint Clairsville | 5–8 | 497 | Public | 4.4 mi |
| Belmont Career CenterSaint Clairsville | 7–12 | 344 | Career and Technical | 0.6 mi |
| St Clairsville High SchoolSaint Clairsville | 9–12 | 501 | Public | 4.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| East Richland Christian SchoolsSaint Clairsville | Pre-K–12 | 184 | Friends (Quaker) | 1.4 mi |
| St Mary's Central SchoolSaint Clairsville | Pre-K–8 | 101 | Roman Catholic | 3.8 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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Shares ZIP codes with Lloydsville and Bannock.
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.