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Where 45621 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 45621 into a pocket calculator and turn it upside down: IZgSh — not quite a word, sorry.
- ➕ As a number, 45,621 = 3 × 3 × 37 × 137. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011001000110101 - 🏠 Its numerical neighbours: 45620 (Cheshire, OH, 27 mi away) and 45622 (Creola, OH, 18 mi away).
- 🔄 Backwards, 45621 becomes 12654, which is not a ZIP code at all.
- 👥 57 other ZIP codes are made of exactly the same digits (12456, 12465, 12546, 12564, 14265, 14526, …). The farthest-flung twin is 56142 in Ivanhoe, MN, 792 miles away.
- 🧭 Farther south than 50% of all ZIP codes, and farther east than 64%.
- 🎯852 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45621 and you would come out at 39.11°S, 97.39°E — 1,147 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
- 📏 At 0.478 square miles of land, 45621 is bigger than 5% of ZIP codes — about 231 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 509This ZIP509 |
|---|---|
| Households | 191This ZIP191 |
| Housing units | 215This ZIP215 |
| Median age | 37.5This ZIP37.5Ohio39.7US 38.9 |
| Median household income | $46,932This ZIP$46,932Ohio$71,389US $80,734 |
| Median home value | $55,200This ZIP$55,200Ohio$214,800US $332,700 |
| Median gross rent | $828This ZIP$828Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 3.0%This ZIP3.0% |
| Mean commute | 15.1 minThis ZIP15.1 min |
| Population density | 1,064.9 / sq miThis ZIP1,064.9 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 29This ZIP29 |
| Annual payroll | $1,414,000This ZIP$1,414,000 |
Land area
| Land area | 0.48 sq miThis ZIP0.48 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 45621
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45621
| ZIP | City | Distance |
|---|---|---|
45692 | Wellston, OH | 3.7 mi |
45640 | Jackson, OH | 6.8 mi |
45672 | Ray, OH | 8.2 mi |
45634 | Hamden, OH | 8.3 mi |
45673 | Richmond Dale, OH | 12.6 mi |
45695 | Wilkesville, OH | 13.2 mi |
45651 | Mc Arthur, OH | 13.8 mi |
45613 | Beaver, OH | 14.0 mi |
45647 | Londonderry, OH | 14.7 mi |
45686 | Vinton, OH | 14.8 mi |
Find every ZIP code within 10 miles of 45621 →
Questions about this ZIP code
Where is ZIP code 45621?
45621 is in Coalton, Ohio, in Jackson County. Its published point location is 39.1114, -82.6099.
What county is 45621 in?
45621 lies in Jackson County.
What area code is 45621?
Coalton uses area codes 220 and 740, from NANPA's telephone records.
What time zone is 45621 in?
45621 uses America/New_York.
How many people live in 45621?
About 509 people live in ZIP code 45621, in 191 households, at 1,064.9 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 45621?
$46,932 a year, against $71,389 across Ohio.
What ZIP codes are near 45621?
The closest are 45692 (3.7 mi), 45640 (6.8 mi), 45672 (8.2 mi), 45634 (8.3 mi) and 45673 (12.6 mi).
Is 45621 a PO Box ZIP code?
45621 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45621 ZIP Code — Coalton, Ohio (Jackson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45621
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45621.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.