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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/45005

45005

ZIP 45005 is Franklin, Ohio, mostly in Warren County; area codes 937 and 326; Eastern time.

Type
Standard
Time zone
America/New_York
County
Warren +1 more
Population
32,251
Coordinates
39.5289, -84.2895
☼ Live from 45005 — Franklin, OH

Weather right now

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Local time: —

Where 45005 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 45005
  • 🔢 Type 45005 into a pocket calculator and turn it upside down: SOOSh — not quite a word, sorry.
  • ➕ As a number, 45,005 = 5 × 9001. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010111111001101
  • 🏠 Its numerical neighbours: 45004 (Collinsville, OH, 17 mi away) and 45011 (Hamilton, OH, 13 mi away).
  • 🔄 Backwards, 45005 becomes 50054 — and that is a real ZIP code: Colfax, IA, 492 miles away.
  • 👥 14 other ZIP codes are made of exactly the same digits (04055, 05045, 05054, 05405, 05450, 40055, …). The farthest-flung twin is 04055 in Naples, ME, 767 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 59%.
  • 🎯759 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45005 and you would come out at 39.53°S, 95.71°E — 1,242 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
  • 📏 At 36.6 square miles of land, 45005 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
🌙 The sky over 45005 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population32,251This ZIP32,251
Households12,611This ZIP12,611
Housing units13,422This ZIP13,422
Median age39.4This ZIP39.4Ohio39.7US 38.9
Median household income$75,399This ZIP$75,399Ohio$71,389US $80,734
Median home value$218,600This ZIP$218,600Ohio$214,800US $332,700
Median gross rent$1,000This ZIP$1,000Ohio$1,034US $1,413
Bachelor's degree or higher20.2%This ZIP20.2%
Mean commute23.2 minThis ZIP23.2 min
Population density880.3 / sq miThis ZIP880.3 / sq mi

Business and tax activity

Business establishments546This ZIP546
Employees10,294This ZIP10,294
Annual payroll$565,869,000This ZIP$565,869,000
Tax returns filed15,800This ZIP15,800
Total adjusted gross income$1,050,453,000This ZIP$1,050,453,000

Land area

Land area36.64 sq miThis ZIP36.64 sq mi
Water area0.58 sq miThis ZIP0.58 sq mi

Counties 45005 spans

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

CountyShare of this ZIP
Warren County 99.4%
Montgomery County 0.6%

Other place names in 45005

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

ZIP codes near 45005

ZIPCityDistance
45066 Springboro, OH 4.1 mi
45342 Miamisburg, OH 7.0 mi
45036 Lebanon, OH 7.1 mi
45050 Monroe, OH 7.1 mi
45044 Middletown, OH 7.2 mi
45042 Middletown, OH 7.2 mi
45458 Dayton, OH 8.7 mi
45327 Germantown, OH 9.2 mi
45449 Dayton, OH 9.7 mi
45459 Dayton, OH 10.4 mi

Find every ZIP code within 10 miles of 45005 →

Questions about this ZIP code

Where is ZIP code 45005?

45005 is in Franklin, Ohio, in Warren County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.5289, -84.2895.

What county is 45005 in?

45005 spans 2 counties: Warren County and Montgomery County. Most of it falls in Warren 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 45005?

Franklin uses area codes 937 and 326, from NANPA's telephone records.

What time zone is 45005 in?

45005 uses America/New_York.

How many people live in 45005?

About 32,251 people live in ZIP code 45005, in 12,611 households, at 880.3 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 45005?

$75,399 a year, against $71,389 across Ohio.

What ZIP codes are near 45005?

The closest are 45066 (4.1 mi), 45342 (7 mi), 45036 (7.1 mi), 45050 (7.1 mi) and 45044 (7.2 mi).

Is 45005 a PO Box ZIP code?

45005 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45005 ZIP Code — Franklin, Ohio (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45005

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45005.json

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