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/45255

45255

ZIP 45255 is in Cincinnati, Ohio, mostly in Hamilton County; area codes 513 and 283; Eastern time. Cincinnati has 71 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Hamilton +1 more
Population
22,313
Coordinates
39.0596, -84.3283
☼ Live from 45255 — Cincinnati, OH

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 45255 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 45255
  • 🔢 Type 45255 into a pocket calculator and turn it upside down: SSZSh — not quite a word, sorry.
  • ➕ As a number, 45,255 = 3 × 5 × 7 × 431. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000011000111
  • 🏠 Its numerical neighbours: 45254 (Cincinnati, OH, 13 mi away) and 45258 (Cincinnati, OH, 13 mi away).
  • 🔄 Backwards, 45255 becomes 55254, which is not a ZIP code at all.
  • 👥 6 other ZIP codes are made of exactly the same digits (24555, 25545, 52554, 54525, 54552, 55425). The farthest-flung twin is 55425 in Minneapolis, MN, 607 miles away.
  • 🧭 Farther south than 50% of all ZIP codes, and farther east than 59%.
  • 🎯761 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45255 and you would come out at 39.06°S, 95.67°E — 1,234 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 12.9 square miles of land, 45255 is bigger than 31% of ZIP codes — room for about 9.8 Central Parks.
🌙 The sky over 45255 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22,313This ZIP22,313
Households9,572This ZIP9,572
Housing units9,991This ZIP9,991
Median age44.1This ZIP44.1Ohio39.7US 38.9
Median household income$92,035This ZIP$92,035Ohio$71,389US $80,734
Median home value$303,800This ZIP$303,800Ohio$214,800US $332,700
Median gross rent$1,434This ZIP$1,434Ohio$1,034US $1,413
Bachelor's degree or higher50.8%This ZIP50.8%
Mean commute25.4 minThis ZIP25.4 min
Population density1,723.5 / sq miThis ZIP1,723.5 / sq mi

Business and tax activity

Business establishments587This ZIP587
Employees8,296This ZIP8,296
Annual payroll$358,235,000This ZIP$358,235,000
Tax returns filed11,380This ZIP11,380
Total adjusted gross income$1,351,441,000This ZIP$1,351,441,000

Land area

Land area12.95 sq miThis ZIP12.95 sq mi
Water area0.19 sq miThis ZIP0.19 sq mi

Counties 45255 spans

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

CountyShare of this ZIP
Hamilton County 68.1%
Clermont County 31.9%

Other place names in 45255

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

ZIP codes near 45255

ZIPCityDistance
45245 Cincinnati, OH 2.6 mi
45230 Cincinnati, OH 3.4 mi
45244 Cincinnati, OH 3.8 mi
41085 Silver Grove, KY 3.9 mi
41059 Melbourne, KY 4.3 mi
45226 Cincinnati, OH 6.2 mi
41076 Newport, KY 6.7 mi
45174 Terrace Park, OH 6.9 mi
41072 Newport, KY 7.0 mi
41099 Newport, KY 7.0 mi

Find every ZIP code within 10 miles of 45255 →

Questions about this ZIP code

Where is ZIP code 45255?

45255 is in Cincinnati, Ohio, in Hamilton County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.0596, -84.3283.

What county is 45255 in?

45255 spans 2 counties: Hamilton County and Clermont County. Most of it falls in Hamilton 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 45255?

Cincinnati uses area codes 513 and 283, from NANPA's telephone records.

What time zone is 45255 in?

45255 uses America/New_York.

How many people live in 45255?

About 22,313 people live in ZIP code 45255, in 9,572 households, at 1,723.5 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 45255?

$92,035 a year, against $71,389 across Ohio.

What ZIP codes are near 45255?

The closest are 45245 (2.6 mi), 45230 (3.4 mi), 45244 (3.8 mi), 41085 (3.9 mi) and 41059 (4.3 mi).

Is 45255 a PO Box ZIP code?

45255 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “45255 ZIP Code — Cincinnati, Ohio (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45255

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45255.json

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