South Mount Vernon is a community in Knox County, Ohio, home to about 589 people across 0.5 square miles. It has no ZIP code of its own: it’s part of 43050.
Homes sold for a median of $168 per square foot in the three months ending August 2026, a seller’s market.
Mostly Mount Vernon; part is in South Mount Vernon
Each card is that ZIP code’s whole market, including any part outside South Mount Vernon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up South Mount Vernon’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)34 miles away |
|---|---|
| Nearest city of 250,000+ | Columbus, OH38 miles away |
| Nearest city of 1 million+ | Chicago, IL288 miles away |
Straight-line distances from the center of South Mount Vernon; 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.
It’s the 839th largest of 1,264 towns in Ohio by population.
Knox County grew from 27,768 residents in 1900 to 62,721 in 2020.
Knox 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 17°F. About 42.4 inches of rain and melted snow fall in a typical year, with about 42 inches of snow.
Source: NOAA 1991–2020 climate normals, Danville 2 W, OH weather station (10 miles away).
17,629 jobs at 1,121 businesses in Knox County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
405 doctors and other health care providers list an office in South Mount Vernon.
Nearest hospitals
Providers with an office here
| Primary care doctors | 36 |
|---|---|
| Specialist doctors | 45 |
| Dentists | 23 |
| Nurse practitioners and physician assistants | 81 |
| Mental health providers | 169 |
| Physical and occupational therapists | 23 |
| Optometrists | 15 |
| Chiropractors | 13 |
| Pharmacies | 12 |
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 (9 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 1 mile 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 Mount Vernon City, Knox County JVSD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Columbia Elementary SchoolMount Vernon | Pre-K–5 | 244 | Public | 0.5 mi |
| Dan Emmett Elementary SchoolMount Vernon | Pre-K–5 | 244 | Public | 1.6 mi |
| East Elementary SchoolMount Vernon | Pre-K–5 | 238 | Public | 0.9 mi |
| Pleasant Street Elementary SchoolMount Vernon | Pre-K–5 | 329 | Public | 1.1 mi |
| Twin Oak Elementary SchoolMount Vernon | Pre-K–5 | 371 | Public | 1.8 mi |
| Mount Vernon Middle SchoolMount Vernon | 6–8 | 787 | Public | 0.9 mi |
| Knox County Career CenterMount Vernon | 9–12 | 519 | Career and Technical | 0.9 mi |
| Mount Vernon High SchoolMount Vernon | 9–12 | 944 | Public | 0.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Vincent De Paul SchoolMount Vernon | Pre-K–8 | 179 | Roman Catholic | 0.7 mi |
| Chapel Hill Christian AcademyMount Vernon | K–10 | 39 | Christian (no specific denomination) | 4.1 mi |
| Christian Star AcademyMount Vernon | K–9 | 10 | Christian (no specific denomination) | 0.8 mi |
| Mount Vernon Sda Elementary SchoolMount Vernon | K–8 | 18 | Seventh-day Adventist | 1.8 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 Mount Vernon.
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.