Mount Vernon is a city in Posey County, Indiana, home to about 6,400 people across 2.9 square miles. Its ZIP code is 47620.
Homes sold for a median of $128 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 | Louisville Muhammad Ali International Airport (SDF)116 miles away |
|---|---|
| Closer regional airport | Evansville Regional Airport (EVV)19 miles away |
| Nearest city of 250,000+ | Louisville/Jefferson County, KY121 miles away |
| Nearest city of 1 million+ | Chicago, IL269 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 6,493 residents in the 2020 census, down 13% since 2000.
It’s the 110th largest of 693 towns in Indiana by population.
Posey County grew from 22,333 residents in 1900 to 25,222 in 2020.
Posey County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 23°F. About 46.6 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Mt Vernon, IN weather station (3 miles away).
9,770 jobs at 538 businesses in Posey County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
43 doctors and other health care providers list an office in Mount Vernon.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Dentists | 4 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 3 |
| Physical and occupational therapists | 17 |
| Optometrists | 2 |
| 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.
Grocery stores
Pharmacies
Libraries
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 1788.
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 MSD Mount Vernon. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Farmersville Elementary SchoolMount Vernon | Pre-K–5 | 276 | Public | 3.0 mi |
| West Elementary SchoolMount Vernon | Pre-K–5 | 350 | Public | 3.1 mi |
| Marrs Elementary SchoolMount Vernon | K–5 | 297 | Public | 5.7 mi |
| Mount Vernon Jr High SchoolMount Vernon | 6–8 | 493 | Public | 1.8 mi |
| Mount Vernon High SchoolMount Vernon | 9–12 | 583 | Public | 1.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Matthew Elementary SchoolMount Vernon | Pre-K–5 | 65 | Roman Catholic | 2.3 mi |
| St Philip SchoolMount Vernon | Pre-K–8 | 176 | Roman Catholic | 8.1 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.