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/45014

45014

ZIP 45014 is in Fairfield, Ohio, in Butler County; Eastern time. Fairfield has 2 ZIP codes; the other is 45018.

Type
Standard
Time zone
America/New_York
County
Butler
Population
45,773
Coordinates
39.3257, -84.5524
☼ Live from 45014 — Fairfield, OH

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 45014 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 45014
  • 🔢 Type 45014 into a pocket calculator and turn it upside down: hIOSh — not quite a word, sorry.
  • ➕ As a number, 45,014 = 2 × 71 × 317. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010111111010110
  • 🏠 Its numerical neighbours: 45013 (Hamilton, OH, 8 mi away) and 45015 (Hamilton, OH, 3 mi away).
  • 🔄 Backwards, 45014 becomes 41054 — and that is a real ZIP code: Mason, KY, 51 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (04415, 04451, 04541, 05441, 10454, 14054, …). The farthest-flung twin is 04451 in Kingman, ME, 936 miles away.
  • 🧭 Farther north than 51% of all ZIP codes, and farther east than 58%.
  • 🎯747 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45014 and you would come out at 39.33°S, 95.45°E — 1,251 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 24m.
  • 📏 At 22.6 square miles of land, 45014 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 45014 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population45,773This ZIP45,773
Households18,888This ZIP18,888
Housing units20,064This ZIP20,064
Median age38.0This ZIP38.0Ohio39.7US 38.9
Median household income$75,661This ZIP$75,661Ohio$71,389US $80,734
Median home value$232,400This ZIP$232,400Ohio$214,800US $332,700
Median gross rent$1,235This ZIP$1,235Ohio$1,034US $1,413
Bachelor's degree or higher30.2%This ZIP30.2%
Mean commute23.8 minThis ZIP23.8 min
Population density2,026.3 / sq miThis ZIP2,026.3 / sq mi

Business and tax activity

Business establishments1,123This ZIP1,123
Employees28,920This ZIP28,920
Annual payroll$1,859,974,000This ZIP$1,859,974,000
Tax returns filed23,160This ZIP23,160
Total adjusted gross income$1,494,786,000This ZIP$1,494,786,000

Land area

Land area22.59 sq miThis ZIP22.59 sq mi
Water area0.34 sq miThis ZIP0.34 sq mi

Other place names in 45014

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

ZIP codes near 45014

ZIPCityDistance
45240 Cincinnati, OH 3.1 mi
45015 Hamilton, OH 3.4 mi
45251 Cincinnati, OH 4.3 mi
45218 Cincinnati, OH 4.5 mi
45299 Cincinnati, OH 5.0 mi
45061 Ross, OH 5.2 mi
45246 Cincinnati, OH 5.3 mi
45231 Cincinnati, OH 5.5 mi
45252 Cincinnati, OH 5.6 mi
45011 Hamilton, OH 7.6 mi

Find every ZIP code within 10 miles of 45014 →

Questions about this ZIP code

Where is ZIP code 45014?

45014 is in Fairfield, Ohio, in Butler County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.3257, -84.5524.

What county is 45014 in?

45014 lies in Butler County.

What time zone is 45014 in?

45014 uses America/New_York.

How many people live in 45014?

About 45,773 people live in ZIP code 45014, in 18,888 households, at 2,026.3 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 45014?

$75,661 a year, against $71,389 across Ohio.

What ZIP codes are near 45014?

The closest are 45240 (3.1 mi), 45015 (3.4 mi), 45251 (4.3 mi), 45218 (4.5 mi) and 45299 (5 mi).

Is 45014 a PO Box ZIP code?

45014 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “45014 ZIP Code — Fairfield, Ohio (Butler County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45014

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45014.json

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