Weather right now
Asking the National Weather Service…
Where 45821 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 45821 into a pocket calculator and turn it upside down: IZBSh — not quite a word, sorry.
- ➕ 45821 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011001011111101 - 🏠 Its numerical neighbours: 45820 (Cairo, OH, 37 mi away) and 45822 (Celina, OH, 46 mi away).
- 🔄 Backwards, 45821 becomes 12854 — and that is a real ZIP code: North Granville, NY, 593 miles away.
- 👥 50 other ZIP codes are made of exactly the same digits (12458, 12485, 12548, 12584, 12845, 12854, …). The farthest-flung twin is 85214 in Mesa, AZ, 1,585 miles away.
- 🧭 Farther north than 69% of all ZIP codes, and farther east than 58%.
- 🎯742 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45821 and you would come out at 41.23°S, 95.44°E — 1,297 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
- 📏 At 39.2 square miles of land, 45821 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 759This ZIP759 |
|---|---|
| Households | 331This ZIP331 |
| Housing units | 347This ZIP347 |
| Median age | 48.7This ZIP48.7Ohio39.7US 38.9 |
| Median household income | $76,648This ZIP$76,648Ohio$71,389US $80,734 |
| Median home value | $118,100This ZIP$118,100Ohio$214,800US $332,700 |
| Median gross rent | $754This ZIP$754Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 10.8%This ZIP10.8% |
| Mean commute | 25.7 minThis ZIP25.7 min |
| Population density | 19.4 / sq miThis ZIP19.4 / sq mi |
Business and tax activity
| Business establishments | 6This ZIP6 |
|---|---|
| Employees | 22This ZIP22 |
| Annual payroll | $811,000This ZIP$811,000 |
| Tax returns filed | 600This ZIP600 |
| Total adjusted gross income | $35,365,000This ZIP$35,365,000 |
Land area
| Land area | 39.22 sq miThis ZIP39.22 sq mi |
|---|---|
| Water area | 0.36 sq miThis ZIP0.36 sq mi |
Counties 45821 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Paulding County | 96.5% |
| Defiance County | 3.5% |
Other place names in 45821
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45821
| ZIP | City | Distance |
|---|---|---|
43556 | Sherwood, OH | 5.4 mi |
45879 | Paulding, OH | 6.7 mi |
43536 | Mark Center, OH | 7.1 mi |
45813 | Antwerp, OH | 9.2 mi |
45855 | Latty, OH | 9.6 mi |
43549 | Ney, OH | 10.0 mi |
43526 | Hicksville, OH | 10.6 mi |
43520 | Farmer, OH | 11.3 mi |
45873 | Oakwood, OH | 11.6 mi |
43512 | Defiance, OH | 11.8 mi |
Find every ZIP code within 10 miles of 45821 →
Questions about this ZIP code
Where is ZIP code 45821?
45821 is in Cecil, Ohio, in Paulding County. Its published point location is 41.2258, -84.5609.
What county is 45821 in?
45821 spans 2 counties: Paulding County and Defiance County. Most of it falls in Paulding 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 45821?
Cecil uses area code 419, from NANPA's telephone records.
What time zone is 45821 in?
45821 uses America/New_York.
How many people live in 45821?
About 759 people live in ZIP code 45821, in 331 households, at 19.4 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 45821?
$76,648 a year, against $71,389 across Ohio.
What ZIP codes are near 45821?
The closest are 43556 (5.4 mi), 45879 (6.7 mi), 43536 (7.1 mi), 45813 (9.2 mi) and 45855 (9.6 mi).
Is 45821 a PO Box ZIP code?
45821 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45821 ZIP Code — Cecil, Ohio (Paulding County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45821
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45821.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.