Mount Vernon is a city in Jefferson County, Illinois, home to about 14,090 people across 15 square miles. Its ZIP code is 62864.
Homes sold for a median of $110 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Mount Vernon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Vernon’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)84 miles away |
|---|---|
| Closer regional airport | Veterans Airport of Southern Illinois (MWA)39 miles away |
| Nearest city of 250,000+ | St. Louis, MO75 miles away |
| Nearest city of 1 million+ | Chicago, IL252 miles away |
Straight-line distances from the center of 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.
Mount Vernon had 14,600 residents in the 2020 census, down 10% since 2000.
It’s the 174th largest of 1,450 towns in Illinois by population.
Jefferson County grew from 28,133 residents in 1900 to 37,113 in 2020.
Jefferson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 22°F. About 45 inches of rain and melted snow fall in a typical year, with about 10 inches of snow.
Source: NOAA 1991–2020 climate normals, Mt Vernon 3 Ne, IL weather station (4 miles away).
19,260 jobs at 882 businesses in Jefferson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
419 doctors and other health care providers list an office in Mount Vernon.
Nearest hospitals
Providers with an office here
| Primary care doctors | 38 |
|---|---|
| Specialist doctors | 75 |
| Dentists | 20 |
| Nurse practitioners and physician assistants | 91 |
| Mental health providers | 133 |
| Physical and occupational therapists | 48 |
| Optometrists | 8 |
| Chiropractors | 6 |
| Pharmacies | 13 |
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 (2 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues (3 nearby)
Counts are within about 2.5 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 1817.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Bethel SD 82, Clintn/Jeffrsn/Marin/Washngtn ROE, Mount Vernon SD 80 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bethel Grade SchoolMount Vernon | Pre-K–8 | 154 | Public | 2.6 mi |
| Clnton/Mrn/Wshngtn Pre-Kind ProgMount Vernon | Pre-K | — | Alternative Education | <0.1 mi |
| Dr Andy Hall Early Educ CtrMount Vernon | Pre-K | 243 | Public | 0.8 mi |
| Summersville Grade SchoolMount Vernon | Pre-K–8 | 283 | Public | 2.5 mi |
| Dr Nick Osborne Primary CenterMount Vernon | K–3 | 562 | Public | 1.0 mi |
| McClellan Elementary SchoolMount Vernon | K–8 | 56 | Public | 4.3 mi |
| Spring Garden Elementary SchoolMount Vernon | K–4 | 124 | Public | 4.7 mi |
| J L Buford Intermediate Ed CtrMount Vernon | 4–5 | 260 | Public | 1.4 mi |
| ROE 13 High NeedsMount Vernon | 4–12 | — | Alternative Education | <0.1 mi |
| ROE 13 Seniors PlusMount Vernon | 4–12 | — | Alternative Education | <0.1 mi |
| ROE 13 Student SuccessMount Vernon | 4–12 | — | Alternative Education | <0.1 mi |
| Safe School ProgramMount Vernon | 6–12 | — | Alternative Education | 1.7 mi |
| Zadok Casey Middle SchoolMount Vernon | 6–8 | 380 | Public | 0.2 mi |
| Mt Vernon Alternative SchoolMount Vernon | 7–12 | — | Alternative Education | 1.7 mi |
| Mount Vernon High SchoolMount Vernon | 9–12 | 1,233 | Public | 2.9 mi |
| MVTHS East CampusMount Vernon | 9–12 | — | Alternative Education | 0.6 mi |
| Mt Vernon Area Career CenterMount Vernon | 11–12 | — | Career and Technical | 2.9 mi |
| Communication Disorders / Autism Jefferson CountyMount Vernon | — | — | Special Education | 2.5 mi |
| Oakland Education CenterMount Vernon | — | — | Special Education | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Coram Deo Classical Christian SchoolMount Vernon | Pre-K–10 | 51 | Christian (no specific denomination) | 1.4 mi |
| Coram Deo Classical SchoolMount Vernon | Pre-K–10 | 51 | Christian (no specific denomination) | 1.4 mi |
| Victory Christian AcademyMount Vernon | 5–12 | 8 | Christian (no specific denomination) | 0.1 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.