Weather right now
Asking the National Weather Service…
Where 42420 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 42420 into a pocket calculator and turn it upside down: OZhZh — not quite a word, sorry.
- ➕ As a number, 42,420 = 2 × 2 × 3 × 5 × 7 × 101. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010010110110100 - 🏠 Its numerical neighbours: 42419 (Henderson, KY, 5 mi away) and 42431 (Madisonville, KY, 32 mi away).
- 🔄 Backwards, 42420 becomes 02424, which is not a ZIP code at all.
- 👥 19 other ZIP codes are made of exactly the same digits (04224, 04422, 20244, 20424, 20442, 22044, …). The farthest-flung twin is 04422 in Charleston, ME, 1,078 miles away.
- 🧭 Farther south than 59% of all ZIP codes, and farther east than 50%.
- 🎯611 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 42420 and you would come out at 37.80°S, 92.48°E — 1,362 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
- 📏 At 191.6 square miles of land, 42420 is bigger than 90% of ZIP codes — room for about 145 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 38,133This ZIP38,133 |
|---|---|
| Households | 16,047This ZIP16,047 |
| Housing units | 17,394This ZIP17,394 |
| Median age | 40.1This ZIP40.1Kentucky39.1US 38.9 |
| Median household income | $57,053This ZIP$57,053Kentucky$63,726US $80,734 |
| Median home value | $170,300This ZIP$170,300Kentucky$205,600US $332,700 |
| Median gross rent | $774This ZIP$774Kentucky$967US $1,413 |
| Bachelor's degree or higher | 20.8%This ZIP20.8% |
| Mean commute | 21.5 minThis ZIP21.5 min |
| Population density | 199.1 / sq miThis ZIP199.1 / sq mi |
Business and tax activity
| Business establishments | 850This ZIP850 |
|---|---|
| Employees | 13,143This ZIP13,143 |
| Annual payroll | $644,126,000This ZIP$644,126,000 |
| Tax returns filed | 16,570This ZIP16,570 |
| Total adjusted gross income | $1,068,607,000This ZIP$1,068,607,000 |
Land area
| Land area | 191.55 sq miThis ZIP191.55 sq mi |
|---|---|
| Water area | 3.36 sq miThis ZIP3.36 sq mi |
Other place names in 42420
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 42420
| ZIP | City | Distance |
|---|---|---|
42419 | Henderson, KY | 4.6 mi |
42402 | Baskett, KY | 5.8 mi |
42458 | Spottsville, KY | 6.0 mi |
42452 | Robards, KY | 8.2 mi |
42451 | Reed, KY | 9.0 mi |
47713 | Evansville, IN | 10.5 mi |
47714 | Evansville, IN | 10.9 mi |
42334 | Curdsville, KY | 11.0 mi |
47750 | Evansville, IN | 11.3 mi |
47712 | Evansville, IN | 11.3 mi |
Find every ZIP code within 10 miles of 42420 →
Questions about this ZIP code
Where is ZIP code 42420?
42420 is in Henderson, Kentucky, in Henderson County, part of the Henderson, KY micropolitan area. Its published point location is 37.7992, -87.5161.
What county is 42420 in?
42420 lies in Henderson County.
What area code is 42420?
Henderson uses area code 270, from NANPA's telephone records.
What time zone is 42420 in?
42420 uses America/Chicago.
How many people live in 42420?
About 38,133 people live in ZIP code 42420, in 16,047 households, at 199.1 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 42420?
$57,053 a year, against $63,726 across Kentucky.
What ZIP codes are near 42420?
The closest are 42419 (4.6 mi), 42402 (5.8 mi), 42458 (6 mi), 42452 (8.2 mi) and 42451 (9 mi).
Is 42420 a PO Box ZIP code?
42420 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “42420 ZIP Code — Henderson, Kentucky (Henderson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42420
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/42420.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.