42404
ZIP 42404 is Clay, Kentucky, mostly in Webster County; area code 270; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Webster +1 more
- Metro area
- Henderson, KY
- Population
- 2,109
- Coordinates
- 37.4820, -87.8371
Weather right now
Asking the National Weather Service…
Where 42404 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 42404 into a pocket calculator and turn it upside down: hOhZh — not quite a word, sorry.
- ➕ As a number, 42,404 = 2 × 2 × 10601. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010010110100100 - 🏠 Its numerical neighbours: 42402 (Baskett, KY, 34 mi away) and 42406 (Corydon, KY, 17 mi away).
- 🔄 Backwards, 42404 becomes 40424, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (04424, 04442, 20444, 24440, 40442, 42044, …). The farthest-flung twin is 04424 in Danforth, ME, 1,173 miles away.
- 🧭 Farther south than 61% of all ZIP codes, and farther west than 50%.
- 🎯601 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 42404 and you would come out at 37.48°S, 92.16°E — 1,365 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 34m.
- 📏 At 87.7 square miles of land, 42404 is bigger than 75% of ZIP codes — room for about 67 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,109This ZIP2,109 |
|---|---|
| Households | 892This ZIP892 |
| Housing units | 1,067This ZIP1,067 |
| Median age | 43.1This ZIP43.1Kentucky39.1US 38.9 |
| Median household income | $61,293This ZIP$61,293Kentucky$63,726US $80,734 |
| Median home value | $115,300This ZIP$115,300Kentucky$205,600US $332,700 |
| Median gross rent | $764This ZIP$764Kentucky$967US $1,413 |
| Bachelor's degree or higher | 14.5%This ZIP14.5% |
| Mean commute | 31.8 minThis ZIP31.8 min |
| Population density | 24.0 / sq miThis ZIP24.0 / sq mi |
Business and tax activity
| Business establishments | 34This ZIP34 |
|---|---|
| Employees | 376This ZIP376 |
| Annual payroll | $28,046,000This ZIP$28,046,000 |
| Tax returns filed | 920This ZIP920 |
| Total adjusted gross income | $62,988,000This ZIP$62,988,000 |
Land area
| Land area | 87.72 sq miThis ZIP87.72 sq mi |
|---|---|
| Water area | 1.00 sq miThis ZIP1.00 sq mi |
Counties 42404 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Webster County | 94.2% |
| Union County | 5.8% |
Other place names in 42404
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 42404
| ZIP | City | Distance |
|---|---|---|
42463 | Wheatcroft, KY | 1.9 mi |
42460 | Sullivan, KY | 5.3 mi |
42450 | Providence, KY | 7.2 mi |
42409 | Dixon, KY | 8.8 mi |
42459 | Sturgis, KY | 11.6 mi |
42437 | Morganfield, KY | 12.3 mi |
42441 | Nebo, KY | 12.9 mi |
42444 | Poole, KY | 15.2 mi |
42436 | Manitou, KY | 15.6 mi |
62919 | Cave In Rock, IL | 16.8 mi |
Find every ZIP code within 10 miles of 42404 →
Questions about this ZIP code
Where is ZIP code 42404?
42404 is in Clay, Kentucky, in Webster County, part of the Henderson, KY micropolitan area. Its published point location is 37.4820, -87.8371.
What county is 42404 in?
42404 spans 2 counties: Webster County and Union County. Most of it falls in Webster County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 42404?
Clay uses area code 270, from NANPA's telephone records.
What time zone is 42404 in?
42404 uses America/Chicago.
How many people live in 42404?
About 2,109 people live in ZIP code 42404, in 892 households, at 24.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 42404?
$61,293 a year, against $63,726 across Kentucky.
What ZIP codes are near 42404?
The closest are 42463 (1.9 mi), 42460 (5.3 mi), 42450 (7.2 mi), 42409 (8.8 mi) and 42459 (11.6 mi).
Is 42404 a PO Box ZIP code?
42404 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “42404 ZIP Code — Clay, Kentucky (Webster County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42404
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/42404.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.