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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/45054

45054

ZIP 45054 is Oregonia, Ohio, in Warren County; Eastern time.

Type
Standard
Time zone
America/New_York
County
Warren
Population
2,693
Coordinates
39.4388, -84.0851
☼ Live from 45054 — Oregonia, OH

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 45054 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 45054
  • 🔢 Type 45054 into a pocket calculator and turn it upside down: hSOSh — not quite a word, sorry.
  • ⇆45054 reads the same backwards. It is one of only 412 palindromic ZIP codes.
  • ➕ As a number, 45,054 = 2 × 3 × 3 × 2503. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010111111111110
  • 🏠 Its numerical neighbours: 45053 (Okeana, OH, 38 mi away) and 45055 (Overpeck, OH, 23 mi away).
  • 👥 17 other ZIP codes are made of exactly the same digits (04455, 04554, 05445, 05454, 05544, 44055, …). The farthest-flung twin is 04455 in Lee, ME, 901 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 60%.
  • 🎯771 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45054 and you would come out at 39.44°S, 95.91°E — 1,229 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
  • 📏 At 31.1 square miles of land, 45054 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
🌙 The sky over 45054 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,693This ZIP2,693
Households1,186This ZIP1,186
Housing units1,266This ZIP1,266
Median age52.5This ZIP52.5Ohio39.7US 38.9
Median household income$99,583This ZIP$99,583Ohio$71,389US $80,734
Median home value$296,200This ZIP$296,200Ohio$214,800US $332,700
Bachelor's degree or higher34.7%This ZIP34.7%
Mean commute27.7 minThis ZIP27.7 min
Population density86.6 / sq miThis ZIP86.6 / sq mi

Business and tax activity

Business establishments32This ZIP32
Employees829This ZIP829
Annual payroll$31,728,000This ZIP$31,728,000
Tax returns filed1,190This ZIP1,190
Total adjusted gross income$123,013,000This ZIP$123,013,000

Land area

Land area31.11 sq miThis ZIP31.11 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

ZIP codes near 45054

ZIPCityDistance
45113 Clarksville, OH 6.0 mi
45032 Harveysburg, OH 6.0 mi
45152 Morrow, OH 6.3 mi
45068 Waynesville, OH 6.7 mi
45036 Lebanon, OH 7.0 mi
45065 South Lebanon, OH 8.3 mi
45034 Kings Mills, OH 10.3 mi
45066 Springboro, OH 10.3 mi
45039 Maineville, OH 11.2 mi
45162 Pleasant Plain, OH 11.7 mi

Find every ZIP code within 10 miles of 45054 →

Questions about this ZIP code

Where is ZIP code 45054?

45054 is in Oregonia, Ohio, in Warren County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.4388, -84.0851.

What county is 45054 in?

45054 lies in Warren County.

What time zone is 45054 in?

45054 uses America/New_York.

How many people live in 45054?

About 2,693 people live in ZIP code 45054, in 1,186 households, at 86.6 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 45054?

$99,583 a year, against $71,389 across Ohio.

What ZIP codes are near 45054?

The closest are 45113 (6 mi), 45032 (6 mi), 45152 (6.3 mi), 45068 (6.7 mi) and 45036 (7 mi).

Is 45054 a PO Box ZIP code?

45054 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45054 ZIP Code — Oregonia, Ohio (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45054

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