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zipcodes.pro — ZIP/45440

45440

ZIP 45440 is in Dayton, Ohio, mostly in Greene County; area codes 937 and 326; Eastern time. Dayton has 43 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Greene +1 more
Population
22,358
Coordinates
39.6734, -84.0999
☼ Live from 45440 — Dayton, OH

Weather right now

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Local time: —

Where 45440 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 45440
  • 🔢 Type 45440 into a pocket calculator and turn it upside down: OhhSh — not quite a word, sorry.
  • ➕ As a number, 45,440 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000110000000
  • 🏠 Its numerical neighbours: 45439 (Dayton, OH, 7 mi away) and 45441 (Dayton, OH, 10 mi away).
  • 🔄 Backwards, 45440 becomes 04454 — and that is a real ZIP code: Lambert Lake, ME, 932 miles away.
  • 👥 15 other ZIP codes are made of exactly the same digits (04454, 04544, 05444, 40445, 40544, 44045, …). The farthest-flung twin is 04454 in Lambert Lake, ME, 932 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther east than 60%.
  • 🎯768 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45440 and you would come out at 39.67°S, 95.90°E — 1,235 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
  • 📏 At 9.2 square miles of land, 45440 is bigger than 26% of ZIP codes — room for about 7.0 Central Parks.
🌙 The sky over 45440 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22,358This ZIP22,358
Households9,637This ZIP9,637
Housing units10,111This ZIP10,111
Median age39.9This ZIP39.9Ohio39.7US 38.9
Median household income$82,383This ZIP$82,383Ohio$71,389US $80,734
Median home value$267,900This ZIP$267,900Ohio$214,800US $332,700
Median gross rent$1,164This ZIP$1,164Ohio$1,034US $1,413
Bachelor's degree or higher45.5%This ZIP45.5%
Mean commute21.2 minThis ZIP21.2 min
Population density2,430.7 / sq miThis ZIP2,430.7 / sq mi

Business and tax activity

Business establishments500This ZIP500
Employees8,039This ZIP8,039
Annual payroll$354,642,000This ZIP$354,642,000
Tax returns filed11,530This ZIP11,530
Total adjusted gross income$1,014,552,000This ZIP$1,014,552,000

Land area

Land area9.20 sq miThis ZIP9.20 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Counties 45440 spans

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

CountyShare of this ZIP
Greene County 63.8%
Montgomery County 36.2%

Other place names in 45440

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

ZIP codes near 45440

ZIPCityDistance
45305 Bellbrook, OH 2.4 mi
45430 Dayton, OH 3.3 mi
45429 Dayton, OH 3.4 mi
45420 Dayton, OH 3.5 mi
45459 Dayton, OH 4.0 mi
45419 Dayton, OH 4.6 mi
45432 Dayton, OH 4.6 mi
45301 Alpha, OH 4.8 mi
45434 Dayton, OH 4.9 mi
45370 Spring Valley, OH 5.7 mi

Find every ZIP code within 10 miles of 45440 →

Questions about this ZIP code

Where is ZIP code 45440?

45440 is in Dayton, Ohio, in Greene County, part of the Dayton-Kettering-Beavercreek, OH metropolitan area. Its published point location is 39.6734, -84.0999.

What county is 45440 in?

45440 spans 2 counties: Greene County and Montgomery County. Most of it falls in Greene 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 45440?

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

What time zone is 45440 in?

45440 uses America/New_York.

How many people live in 45440?

About 22,358 people live in ZIP code 45440, in 9,637 households, at 2,430.7 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 45440?

$82,383 a year, against $71,389 across Ohio.

What ZIP codes are near 45440?

The closest are 45305 (2.4 mi), 45430 (3.3 mi), 45429 (3.4 mi), 45420 (3.5 mi) and 45459 (4 mi).

Is 45440 a PO Box ZIP code?

45440 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45440 ZIP Code — Dayton, Ohio (Greene County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45440

Machine-readable version of these facts:

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