Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/42104

42104

ZIP 42104 is in Bowling Green, Kentucky, mostly in Warren County; area codes 270 and 364; Central time. Bowling Green has 4 ZIP codes; the others are 42101, 42102 and 42103.

Type
Standard
Time zone
America/Chicago
County
Warren +1 more
Metro area
Bowling Green, KY
Population
42,076
Coordinates
36.8769, -86.4512
☼ Live from 42104 — Bowling Green, KY

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 42104 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 42104
  • 🔢 Type 42104 into a pocket calculator and turn it upside down: hOIZh — not quite a word, sorry.
  • ➕ As a number, 42,104 = 2 × 2 × 2 × 19 × 277. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010001111000
  • 🏠 Its numerical neighbours: 42103 (Bowling Green, KY, 9 mi away) and 42120 (Adolphus, KY, 17 mi away).
  • 🔄 Backwards, 42104 becomes 40124, which is not a ZIP code at all.
  • 👥 36 other ZIP codes are made of exactly the same digits (01244, 02144, 04124, 04241, 04412, 04421, …). The farthest-flung twin is 04412 in Brewer, ME, 1,072 miles away.
  • 🧭 Farther south than 65% of all ZIP codes, and farther east than 53%.
  • 🎯687 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42104 and you would come out at 36.88°S, 93.55°E — 1,313 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 41m of daylight. Shortest: 9h 38m.
  • 📏 At 58.0 square miles of land, 42104 is bigger than 64% of ZIP codes — room for about 44 Central Parks.
🌙 The sky over 42104 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population42,076This ZIP42,076
Households17,045This ZIP17,045
Housing units17,842This ZIP17,842
Median age37.0This ZIP37.0Kentucky39.1US 38.9
Median household income$75,164This ZIP$75,164Kentucky$63,726US $80,734
Median home value$306,400This ZIP$306,400Kentucky$205,600US $332,700
Median gross rent$1,029This ZIP$1,029Kentucky$967US $1,413
Bachelor's degree or higher40.8%This ZIP40.8%
Mean commute19.9 minThis ZIP19.9 min
Population density725.6 / sq miThis ZIP725.6 / sq mi

Business and tax activity

Business establishments944This ZIP944
Employees15,315This ZIP15,315
Annual payroll$559,534,000This ZIP$559,534,000
Tax returns filed17,930This ZIP17,930
Total adjusted gross income$1,298,962,000This ZIP$1,298,962,000

Land area

Land area57.99 sq miThis ZIP57.99 sq mi
Water area0.33 sq miThis ZIP0.33 sq mi

Counties 42104 spans

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

CountyShare of this ZIP
Warren County 91.3%
Simpson County 8.7%

Other place names in 42104

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

ZIP codes near 42104

ZIPCityDistance
42102 Bowling Green, KY 4.7 mi
42122 Alvaton, KY 5.6 mi
42170 Woodburn, KY 6.7 mi
42128 Drake, KY 8.0 mi
42103 Bowling Green, KY 9.3 mi
42274 Rockfield, KY 9.6 mi
42134 Franklin, KY 12.1 mi
42101 Bowling Green, KY 12.5 mi
42135 Franklin, KY 12.8 mi
42159 Oakland, KY 13.9 mi

Find every ZIP code within 10 miles of 42104 →

Questions about this ZIP code

Where is ZIP code 42104?

42104 is in Bowling Green, Kentucky, in Warren County, part of the Bowling Green, KY metropolitan area. Its published point location is 36.8769, -86.4512.

What county is 42104 in?

42104 spans 2 counties: Warren County and Simpson County. Most of it falls in Warren 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 42104?

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

What time zone is 42104 in?

42104 uses America/Chicago.

How many people live in 42104?

About 42,076 people live in ZIP code 42104, in 17,045 households, at 725.6 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 42104?

$75,164 a year, against $63,726 across Kentucky.

What ZIP codes are near 42104?

The closest are 42102 (4.7 mi), 42122 (5.6 mi), 42170 (6.7 mi), 42128 (8 mi) and 42103 (9.3 mi).

Is 42104 a PO Box ZIP code?

42104 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “42104 ZIP Code — Bowling Green, Kentucky (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42104

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/42104.json

Underlying data is public domain or openly licensed — sources, vintages and licences.