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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/42303

42303

ZIP 42303 is in Owensboro, Kentucky, in Daviess County; area codes 270 and 364; Central time. Owensboro has 4 ZIP codes; the others are 42301, 42302 and 42304.

Type
Standard
Time zone
America/Chicago
County
Daviess
Metro area
Owensboro, KY
Population
42,119
Coordinates
37.7570, -87.0525
☼ Live from 42303 — Owensboro, KY

Weather right now

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Where 42303 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 42303
  • 🔢 Type 42303 into a pocket calculator and turn it upside down: EOEZh — not quite a word, sorry.
  • ➕ As a number, 42,303 = 3 × 59 × 239. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010100111111
  • 🏠 Its numerical neighbours: 42302 (Owensboro, KY, 3 mi away) and 42304 (Owensboro, KY, 3 mi away).
  • 🔄 Backwards, 42303 becomes 30324 — and that is a real ZIP code: Atlanta, GA, 311 miles away.
  • 👥 38 other ZIP codes are made of exactly the same digits (02334, 02343, 03234, 03243, 04332, 20433, …). The farthest-flung twin is 34032 in APO AA, a military post office, 3,945 miles away.
  • 🧭 Farther south than 60% of all ZIP codes, and farther east than 51%.
  • 🎯637 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42303 and you would come out at 37.76°S, 92.95°E — 1,356 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
  • 📏 At 48.8 square miles of land, 42303 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
🌙 The sky over 42303 today
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🌋 Shake report
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Source: USGS.

People and housing

Population42,119This ZIP42,119
Households17,220This ZIP17,220
Housing units18,070This ZIP18,070
Median age39.9This ZIP39.9Kentucky39.1US 38.9
Median household income$64,773This ZIP$64,773Kentucky$63,726US $80,734
Median home value$198,200This ZIP$198,200Kentucky$205,600US $332,700
Median gross rent$979This ZIP$979Kentucky$967US $1,413
Bachelor's degree or higher27.0%This ZIP27.0%
Mean commute17.7 minThis ZIP17.7 min
Population density862.5 / sq miThis ZIP862.5 / sq mi

Business and tax activity

Business establishments1,118This ZIP1,118
Employees19,852This ZIP19,852
Annual payroll$1,005,655,000This ZIP$1,005,655,000
Tax returns filed18,380This ZIP18,380
Total adjusted gross income$1,307,948,000This ZIP$1,307,948,000

Land area

Land area48.83 sq miThis ZIP48.83 sq mi
Water area0.51 sq miThis ZIP0.51 sq mi

Other place names in 42303

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

ZIP codes near 42303

ZIPCityDistance
42302 Owensboro, KY 3.4 mi
42304 Owensboro, KY 3.4 mi
42366 Philpot, KY 6.7 mi
42355 Maceo, KY 7.6 mi
47635 Rockport, IN 9.1 mi
42376 Utica, KY 9.8 mi
42301 Owensboro, KY 10.9 mi
42378 Whitesville, KY 12.0 mi
42364 Pellville, KY 13.1 mi
42377 West Louisville, KY 13.5 mi

Find every ZIP code within 10 miles of 42303 →

Questions about this ZIP code

Where is ZIP code 42303?

42303 is in Owensboro, Kentucky, in Daviess County, part of the Owensboro, KY metropolitan area. Its published point location is 37.7570, -87.0525.

What county is 42303 in?

42303 lies in Daviess County.

What area code is 42303?

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

What time zone is 42303 in?

42303 uses America/Chicago.

How many people live in 42303?

About 42,119 people live in ZIP code 42303, in 17,220 households, at 862.5 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 42303?

$64,773 a year, against $63,726 across Kentucky.

What ZIP codes are near 42303?

The closest are 42302 (3.4 mi), 42304 (3.4 mi), 42366 (6.7 mi), 42355 (7.6 mi) and 47635 (9.1 mi).

Is 42303 a PO Box ZIP code?

42303 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “42303 ZIP Code — Owensboro, Kentucky (Daviess County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42303

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