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zipcodes.pro — ZIP/42431

42431

ZIP 42431 is Madisonville, Kentucky, in Hopkins County; area codes 270 and 364; Central time.

Type
Standard
Time zone
America/Chicago
County
Hopkins
Metro area
Madisonville, KY
Population
27,207
Coordinates
37.3376, -87.4752
☼ Live from 42431 — Madisonville, KY

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Where 42431 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.

★ Weird and wonderful facts about 42431
  • 🔢 Type 42431 into a pocket calculator and turn it upside down: IEhZh — not quite a word, sorry.
  • ➕ As a number, 42,431 = 151 × 281. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010110111111
  • 🏠 Its numerical neighbours: 42420 (Henderson, KY, 32 mi away) and 42436 (Manitou, KY, 7 mi away).
  • 🔄 Backwards, 42431 becomes 13424 — and that is a real ZIP code: Oriskany, NY, 753 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (12434, 12443, 13244, 13424, 13442, 14423, …). The farthest-flung twin is 34142 in Immokalee, FL, 843 miles away.
  • 🧭 Farther south than 62% of all ZIP codes, and farther east than 50%.
  • 🎯623 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42431 and you would come out at 37.34°S, 92.52°E — 1,374 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 44m of daylight. Shortest: 9h 35m.
  • 📏 At 166.7 square miles of land, 42431 is bigger than 88% of ZIP codes — room for about 127 Central Parks.
🌙 The sky over 42431 today
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🌋 Shake report
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Source: USGS.

People and housing

Population27,207This ZIP27,207
Households11,270This ZIP11,270
Housing units12,720This ZIP12,720
Median age40.2This ZIP40.2Kentucky39.1US 38.9
Median household income$54,905This ZIP$54,905Kentucky$63,726US $80,734
Median home value$160,700This ZIP$160,700Kentucky$205,600US $332,700
Median gross rent$850This ZIP$850Kentucky$967US $1,413
Bachelor's degree or higher20.1%This ZIP20.1%
Mean commute18.5 minThis ZIP18.5 min
Population density163.2 / sq miThis ZIP163.2 / sq mi

Business and tax activity

Business establishments707This ZIP707
Employees11,921This ZIP11,921
Annual payroll$620,269,000This ZIP$620,269,000
Tax returns filed11,120This ZIP11,120
Total adjusted gross income$696,466,000This ZIP$696,466,000

Land area

Land area166.67 sq miThis ZIP166.67 sq mi
Water area6.35 sq miThis ZIP6.35 sq mi

Other place names in 42431

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 42431

ZIPCityDistance
42410 Earlington, KY 4.7 mi
42440 Mortons Gap, KY 6.8 mi
42413 Hanson, KY 7.0 mi
42436 Manitou, KY 7.3 mi
42344 Graham, KY 9.8 mi
42441 Nebo, KY 10.1 mi
42442 Nortonville, KY 10.9 mi
42325 Bremen, KY 11.4 mi
42372 Sacramento, KY 11.8 mi
42456 Slaughters, KY 12.0 mi

Find every ZIP code within 10 miles of 42431 →

Questions about this ZIP code

Where is ZIP code 42431?

42431 is in Madisonville, Kentucky, in Hopkins County, part of the Madisonville, KY micropolitan area. Its published point location is 37.3376, -87.4752.

What county is 42431 in?

42431 lies in Hopkins County.

What area code is 42431?

Madisonville uses area codes 270 and 364, from NANPA's telephone records.

What time zone is 42431 in?

42431 uses America/Chicago.

How many people live in 42431?

About 27,207 people live in ZIP code 42431, in 11,270 households, at 163.2 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 42431?

$54,905 a year, against $63,726 across Kentucky.

What ZIP codes are near 42431?

The closest are 42410 (4.7 mi), 42440 (6.8 mi), 42413 (7 mi), 42436 (7.3 mi) and 42344 (9.8 mi).

Is 42431 a PO Box ZIP code?

42431 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “42431 ZIP Code — Madisonville, Kentucky (Hopkins County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42431

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curl https://zipcodes.pro/zip/42431.json

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