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Where 45365 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 45365 into a pocket calculator and turn it upside down: SgESh — not quite a word, sorry.
- ➕ As a number, 45,365 = 5 × 43 × 211. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011000100110101 - 🏠 Its numerical neighbours: 45363 (Russia, OH, 13 mi away) and 45367 (Sidney, OH, 0 mi away).
- 🔄 Backwards, 45365 becomes 56354 — and that is a real ZIP code: Miltona, MN, 687 miles away.
- 👥 34 other ZIP codes are made of exactly the same digits (34655, 35456, 35546, 35564, 35645, 35654, …). The farthest-flung twin is 34655 in New Port Richey, FL, 838 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther east than 59%.
- 🎯763 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45365 and you would come out at 40.28°S, 95.84°E — 1,253 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 155.7 square miles of land, 45365 is bigger than 87% of ZIP codes — room for about 118 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 28,965This ZIP28,965 |
|---|---|
| Households | 12,020This ZIP12,020 |
| Housing units | 12,817This ZIP12,817 |
| Median age | 42.6This ZIP42.6Ohio39.7US 38.9 |
| Median household income | $67,051This ZIP$67,051Ohio$71,389US $80,734 |
| Median home value | $181,800This ZIP$181,800Ohio$214,800US $332,700 |
| Median gross rent | $915This ZIP$915Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 20.0%This ZIP20.0% |
| Mean commute | 18.4 minThis ZIP18.4 min |
| Population density | 186.0 / sq miThis ZIP186.0 / sq mi |
Business and tax activity
| Business establishments | 633This ZIP633 |
|---|---|
| Employees | 15,656This ZIP15,656 |
| Annual payroll | $920,315,000This ZIP$920,315,000 |
| Tax returns filed | 14,360This ZIP14,360 |
| Total adjusted gross income | $862,427,000This ZIP$862,427,000 |
Land area
| Land area | 155.72 sq miThis ZIP155.72 sq mi |
|---|---|
| Water area | 0.84 sq miThis ZIP0.84 sq mi |
Counties 45365 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Shelby County | 99.4% |
| Champaign County | 0.6% |
Other place names in 45365
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45365
| ZIP | City | Distance |
|---|---|---|
45367 | Sidney, OH | 0.1 mi |
45360 | Port Jefferson, OH | 4.7 mi |
45353 | Pemberton, OH | 6.0 mi |
45340 | Maplewood, OH | 8.1 mi |
43343 | Quincy, OH | 8.6 mi |
45302 | Anna, OH | 9.0 mi |
45356 | Piqua, OH | 9.1 mi |
45333 | Houston, OH | 9.6 mi |
45317 | Conover, OH | 10.2 mi |
45326 | Fletcher, OH | 10.4 mi |
Find every ZIP code within 10 miles of 45365 →
Questions about this ZIP code
Where is ZIP code 45365?
45365 is in Sidney, Ohio, in Shelby County, part of the Sidney, OH micropolitan area. Its published point location is 40.2826, -84.1558.
What county is 45365 in?
45365 spans 2 counties: Shelby County and Champaign County. Most of it falls in Shelby 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 45365?
Sidney uses area codes 937 and 326, from NANPA's telephone records.
What time zone is 45365 in?
45365 uses America/New_York.
How many people live in 45365?
About 28,965 people live in ZIP code 45365, in 12,020 households, at 186.0 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 45365?
$67,051 a year, against $71,389 across Ohio.
What ZIP codes are near 45365?
The closest are 45367 (0.1 mi), 45360 (4.7 mi), 45353 (6 mi), 45340 (8.1 mi) and 43343 (8.6 mi).
Is 45365 a PO Box ZIP code?
45365 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45365 ZIP Code — Sidney, Ohio (Shelby County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45365
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45365.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.