Clay is a city in Webster County, Kentucky, home to about 996 people across 0.9 square miles. Its ZIP code is 42404.
Homes sold for a median of $104 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 Clay. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Clay’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Nashville International Airport (BNA)113 miles away |
|---|---|
| Closer regional airport | Owensboro Daviess County Airport (OWB)41 miles away |
| Nearest city of 250,000+ | Nashville-Davidson, TN107 miles away |
| Nearest city of 1 million+ | Chicago, IL301 miles away |
Straight-line distances from the center of Clay; 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.
Clay had 1,031 residents in the 2020 census, down 13% since 2000.
It’s the 245th 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 90°F in summer, and winter lows average 25°F. About 48.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Providence, KY weather station (7 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).
1 doctors and other health care providers list an office in Clay.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 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.
Public schools here are run by Webster County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Clay Elementary SchoolClay | Pre-K–6 | 194 | Public | 0.9 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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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.