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zipcodes.pro — ZIP/42078

42078

ZIP 42078 is Salem, Kentucky, mostly in Livingston County; area code 270; Central time.

Type
Standard
Time zone
America/Chicago
County
Livingston +1 more
Metro area
Paducah, KY-IL
Population
1,702
Coordinates
37.2775, -88.2866
☼ Live from 42078 — Salem, KY

Weather right now

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Local time: —

Where 42078 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 42078
  • 🔢 Type 42078 into a pocket calculator and turn it upside down: BLOZh — not quite a word, sorry.
  • ➕ As a number, 42,078 = 2 × 3 × 7013. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010001011110
  • 🏠 Its numerical neighbours: 42076 (New Concord, KY, 50 mi away) and 42079 (Sedalia, KY, 53 mi away).
  • 🔄 Backwards, 42078 becomes 87024 — and that is a real ZIP code: Jemez Pueblo, NM, 1,030 miles away.
  • 👥 57 other ZIP codes are made of exactly the same digits (02478, 02748, 02874, 04287, 07428, 07842, …). The farthest-flung twin is 84720 in Cedar City, UT, 1,368 miles away.
  • 🧭 Farther south than 63% of all ZIP codes, and farther west than 51%.
  • 🎯583 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42078 and you would come out at 37.28°S, 91.71°E — 1,357 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 44m of daylight. Shortest: 9h 35m.
  • 📏 At 88.7 square miles of land, 42078 is bigger than 75% of ZIP codes — room for about 67 Central Parks.
🌙 The sky over 42078 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,702This ZIP1,702
Households685This ZIP685
Housing units902This ZIP902
Median age47.1This ZIP47.1Kentucky39.1US 38.9
Median household income$56,397This ZIP$56,397Kentucky$63,726US $80,734
Median home value$85,300This ZIP$85,300Kentucky$205,600US $332,700
Median gross rent$669This ZIP$669Kentucky$967US $1,413
Bachelor's degree or higher14.1%This ZIP14.1%
Mean commute29.3 minThis ZIP29.3 min
Population density19.2 / sq miThis ZIP19.2 / sq mi

Business and tax activity

Business establishments32This ZIP32
Employees637This ZIP637
Annual payroll$39,531,000This ZIP$39,531,000
Tax returns filed680This ZIP680
Total adjusted gross income$37,812,000This ZIP$37,812,000

Land area

Land area88.68 sq miThis ZIP88.68 sq mi
Water area0.91 sq miThis ZIP0.91 sq mi

Counties 42078 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Livingston County 75.6%
Crittenden County 24.4%

Other place names in 42078

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

ZIP codes near 42078

ZIPCityDistance
42028 Burna, KY 3.8 mi
42047 Hampton, KY 6.3 mi
42081 Smithland, KY 6.4 mi
42083 Tiline, KY 8.0 mi
42037 Dycusburg, KY 10.0 mi
62982 Rosiclare, IL 11.1 mi
42033 Crayne, KY 11.2 mi
42064 Marion, KY 11.5 mi
42045 Grand Rivers, KY 14.0 mi
42055 Kuttawa, KY 15.3 mi

Find every ZIP code within 10 miles of 42078 →

Questions about this ZIP code

Where is ZIP code 42078?

42078 is in Salem, Kentucky, in Livingston County, part of the Paducah, KY-IL metropolitan area. Its published point location is 37.2775, -88.2866.

What county is 42078 in?

42078 spans 2 counties: Livingston County and Crittenden County. Most of it falls in Livingston 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 42078?

Salem uses area code 270, from NANPA's telephone records.

What time zone is 42078 in?

42078 uses America/Chicago.

How many people live in 42078?

About 1,702 people live in ZIP code 42078, in 685 households, at 19.2 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 42078?

$56,397 a year, against $63,726 across Kentucky.

What ZIP codes are near 42078?

The closest are 42028 (3.8 mi), 42047 (6.3 mi), 42081 (6.4 mi), 42083 (8 mi) and 42037 (10 mi).

Is 42078 a PO Box ZIP code?

42078 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “42078 ZIP Code — Salem, Kentucky (Livingston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42078

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/42078.json

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