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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/42103

42103

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

Type
Standard
Time zone
America/Chicago
County
Warren
Metro area
Bowling Green, KY
Population
21,911
Coordinates
36.9651, -86.3246
☼ Live from 42103 — Bowling Green, KY

Weather right now

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Local time: —

Where 42103 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 42103
  • 🔢 Type 42103 into a pocket calculator and turn it upside down: EOIZh — not quite a word, sorry.
  • ➕ As a number, 42,103 = 71 × 593. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010001110111
  • 🏠 Its numerical neighbours: 42102 (Bowling Green, KY, 5 mi away) and 42104 (Bowling Green, KY, 9 mi away).
  • 🔄 Backwards, 42103 becomes 30124 — and that is a real ZIP code: Cave Spring, GA, 203 miles away.
  • 👥 68 other ZIP codes are made of exactly the same digits (01243, 01342, 01432, 02134, 02143, 02341, …). The farthest-flung twin is 34021 in APO AA, a military post office, 1,716 miles away.
  • 🧭 Farther south than 64% of all ZIP codes, and farther east than 53%.
  • 🎯692 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42103 and you would come out at 36.97°S, 93.68°E — 1,307 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 42m of daylight. Shortest: 9h 37m.
  • 📏 At 70.4 square miles of land, 42103 is bigger than 69% of ZIP codes — room for about 53 Central Parks.
🌙 The sky over 42103 today
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🌋 Shake report
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Source: USGS.

People and housing

Population21,911This ZIP21,911
Households9,944This ZIP9,944
Housing units10,604This ZIP10,604
Median age41.8This ZIP41.8Kentucky39.1US 38.9
Median household income$87,689This ZIP$87,689Kentucky$63,726US $80,734
Median home value$331,400This ZIP$331,400Kentucky$205,600US $332,700
Median gross rent$1,184This ZIP$1,184Kentucky$967US $1,413
Bachelor's degree or higher47.4%This ZIP47.4%
Mean commute18.0 minThis ZIP18.0 min
Population density311.1 / sq miThis ZIP311.1 / sq mi

Business and tax activity

Business establishments514This ZIP514
Employees6,433This ZIP6,433
Annual payroll$334,980,000This ZIP$334,980,000
Tax returns filed10,760This ZIP10,760
Total adjusted gross income$1,182,681,000This ZIP$1,182,681,000

Land area

Land area70.42 sq miThis ZIP70.42 sq mi
Water area1.00 sq miThis ZIP1.00 sq mi

Other place names in 42103

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

ZIP codes near 42103

ZIPCityDistance
42128 Drake, KY 4.0 mi
42102 Bowling Green, KY 4.5 mi
42159 Oakland, KY 4.7 mi
42122 Alvaton, KY 7.6 mi
42104 Bowling Green, KY 9.3 mi
42171 Smiths Grove, KY 9.6 mi
42101 Bowling Green, KY 10.0 mi
42163 Rocky Hill, KY 13.1 mi
42274 Rockfield, KY 15.2 mi
42170 Woodburn, KY 15.5 mi

Find every ZIP code within 10 miles of 42103 →

Questions about this ZIP code

Where is ZIP code 42103?

42103 is in Bowling Green, Kentucky, in Warren County, part of the Bowling Green, KY metropolitan area. Its published point location is 36.9651, -86.3246.

What county is 42103 in?

42103 lies in Warren County.

What area code is 42103?

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

What time zone is 42103 in?

42103 uses America/Chicago.

How many people live in 42103?

About 21,911 people live in ZIP code 42103, in 9,944 households, at 311.1 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 42103?

$87,689 a year, against $63,726 across Kentucky.

What ZIP codes are near 42103?

The closest are 42128 (4 mi), 42102 (4.5 mi), 42159 (4.7 mi), 42122 (7.6 mi) and 42104 (9.3 mi).

Is 42103 a PO Box ZIP code?

42103 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “42103 ZIP Code — Bowling Green, Kentucky (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42103

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