Onton is a community in Webster County, Kentucky, home to about 122 people across 0.8 square miles. It has no ZIP code of its own: it’s part of 42455.
Homes sold for a median of $97 per square foot in the three months ending August 2026, a seller’s market.
Mostly Sebree; part is in Onton
Each card is that ZIP code’s whole market, including any part outside Onton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Onton’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)106 miles away |
|---|---|
| Closer regional airport | Owensboro Daviess County Airport (OWB)22 miles away |
| Nearest city of 250,000+ | Nashville-Davidson, TN106 miles away |
| Nearest city of 1 million+ | Chicago, IL293 miles away |
Straight-line distances from the center of Onton; 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.
Onton had 138 residents in the 2020 census, down 2% since 2010.
It’s the 510th largest of 553 towns in Kentucky by population.
Webster County grew from 20,097 residents in 1900 to 13,017 in 2020.
Webster County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 26°F. About 46.3 inches of rain and melted snow fall in a typical year, with about 12 inches of snow.
Source: NOAA 1991–2020 climate normals, Henderson 8 Ssw, KY weather station (13 miles away).
1,822 jobs at 202 businesses in Webster County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Onton.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 6 |
| Physical and occupational therapists | 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.
Parks (2 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 Webster County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Sebree Elementary SchoolSebree | Pre-K–6 | 408 | Public | 1.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Sebree and Poole.
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.