Dupont is a town in Jefferson County, Indiana, home to about 279 people across 1.0 square miles. Its ZIP code is 47231.
Homes sold for a median of $111 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 Dupont. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dupont’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Cincinnati Northern Kentucky International Airport (CVG)46 miles away |
|---|---|
| Nearest city of 250,000+ | Louisville/Jefferson County, KY51 miles away |
| Nearest city of 1 million+ | Chicago, IL233 miles away |
Straight-line distances from the center of Dupont; 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.
Dupont had 343 residents in the 2020 census, down 12% since 2000.
It’s the 554th largest of 693 towns in Indiana by population.
Jefferson County grew from 22,913 residents in 1900 to 33,147 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 23°F. About 49.4 inches of rain and melted snow fall in a typical year, with about 17 inches of snow.
Source: NOAA 1991–2020 climate normals, N Vernon 2 Ese, IN weather station (9 miles away).
11,850 jobs at 677 businesses in Jefferson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Museums
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.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Dupont Baptist AcademyDupont | Pre-K–12 | 20 | Baptist | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data 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.