45042
ZIP 45042 is in Middletown, Ohio, mostly in Butler County; area codes 513 and 283; Eastern time. Middletown has 2 ZIP codes; the other is 45044.
- Type
- Standard
- Time zone
- America/New_York
- County
- Butler +3 more
- Metro area
- Cincinnati, OH-KY-IN
- Population
- 27,652
- Coordinates
- 39.5569, -84.4202
Weather right now
Asking the National Weather Service…
Where 45042 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.
- 🔢 Type 45042 into a pocket calculator and turn it upside down: ZhOSh — not quite a word, sorry.
- ➕ As a number, 45,042 = 2 × 3 × 7507. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010111111110010 - 🏠 Its numerical neighbours: 45041 (Miamitown, OH, 28 mi away) and 45044 (Middletown, OH, 5 mi away).
- 🔄 Backwards, 45042 becomes 24054 — and that is a real ZIP code: Axton, VA, 324 miles away.
- 👥 34 other ZIP codes are made of exactly the same digits (02445, 02454, 04254, 05442, 20544, 24054, …). The farthest-flung twin is 04254 in Livermore Falls, ME, 806 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 58%.
- 🎯752 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45042 and you would come out at 39.56°S, 95.58°E — 1,249 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 49.2 square miles of land, 45042 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 27,652This ZIP27,652 |
|---|---|
| Households | 11,578This ZIP11,578 |
| Housing units | 12,216This ZIP12,216 |
| Median age | 41.6This ZIP41.6Ohio39.7US 38.9 |
| Median household income | $69,520This ZIP$69,520Ohio$71,389US $80,734 |
| Median home value | $202,200This ZIP$202,200Ohio$214,800US $332,700 |
| Median gross rent | $922This ZIP$922Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 21.2%This ZIP21.2% |
| Mean commute | 25.3 minThis ZIP25.3 min |
| Population density | 562.2 / sq miThis ZIP562.2 / sq mi |
Business and tax activity
| Business establishments | 355This ZIP355 |
|---|---|
| Employees | 3,695This ZIP3,695 |
| Annual payroll | $185,010,000This ZIP$185,010,000 |
| Tax returns filed | 13,410This ZIP13,410 |
| Total adjusted gross income | $867,268,000This ZIP$867,268,000 |
Land area
| Land area | 49.19 sq miThis ZIP49.19 sq mi |
|---|---|
| Water area | 0.65 sq miThis ZIP0.65 sq mi |
Counties 45042 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Butler County | 91.9% |
| Preble County | 6.6% |
| Montgomery County | 0.9% |
| Warren County | 0.7% |
Other place names in 45042
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45042
| ZIP | City | Distance |
|---|---|---|
45327 | Germantown, OH | 5.0 mi |
45044 | Middletown, OH | 5.2 mi |
45067 | Trenton, OH | 5.4 mi |
45005 | Franklin, OH | 7.2 mi |
45070 | West Elkton, OH | 7.7 mi |
45050 | Monroe, OH | 8.3 mi |
45055 | Overpeck, OH | 8.4 mi |
45330 | Gratis, OH | 8.6 mi |
45062 | Seven Mile, OH | 8.8 mi |
45342 | Miamisburg, OH | 9.2 mi |
Find every ZIP code within 10 miles of 45042 →
Questions about this ZIP code
Where is ZIP code 45042?
45042 is in Middletown, Ohio, in Butler County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.5569, -84.4202.
What county is 45042 in?
45042 spans 4 counties: Butler County, Preble County, Montgomery County and Warren County. Most of it falls in Butler 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 45042?
Middletown uses area codes 513 and 283, from NANPA's telephone records.
What time zone is 45042 in?
45042 uses America/New_York.
How many people live in 45042?
About 27,652 people live in ZIP code 45042, in 11,578 households, at 562.2 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 45042?
$69,520 a year, against $71,389 across Ohio.
What ZIP codes are near 45042?
The closest are 45327 (5 mi), 45044 (5.2 mi), 45067 (5.4 mi), 45005 (7.2 mi) and 45070 (7.7 mi).
Is 45042 a PO Box ZIP code?
45042 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45042 ZIP Code — Middletown, Ohio (Butler County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45042
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45042.json Underlying data is public domain or openly licensed — sources, vintages and licences.