45830
ZIP 45830 is Columbus Grove, Ohio, mostly in Putnam County; area code 419; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Putnam +1 more
- Metro area
- none
- Population
- 5,199
- Coordinates
- 40.9085, -84.0959
Weather right now
Asking the National Weather Service…
Where 45830 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 45830 into a pocket calculator and turn it upside down: OEBSh — not quite a word, sorry.
- ➕ As a number, 45,830 = 2 × 5 × 4583. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011001100000110 - 🏠 Its numerical neighbours: 45828 (Coldwater, OH, 43 mi away) and 45831 (Continental, OH, 16 mi away).
- 🔄 Backwards, 45830 becomes 03854 — and that is a real ZIP code: New Castle, NH, 702 miles away.
- 👥 58 other ZIP codes are made of exactly the same digits (03458, 03584, 03845, 03854, 04358, 04538, …). The farthest-flung twin is 83540 in Lapwai, ID, 1,665 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther east than 60%.
- 🎯765 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45830 and you would come out at 40.91°S, 95.90°E — 1,266 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 94.6 square miles of land, 45830 is bigger than 76% of ZIP codes — room for about 72 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,199This ZIP5,199 |
|---|---|
| Households | 2,156This ZIP2,156 |
| Housing units | 2,205This ZIP2,205 |
| Median age | 42.1This ZIP42.1Ohio39.7US 38.9 |
| Median household income | $80,897This ZIP$80,897Ohio$71,389US $80,734 |
| Median home value | $169,900This ZIP$169,900Ohio$214,800US $332,700 |
| Median gross rent | $765This ZIP$765Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 26.4%This ZIP26.4% |
| Mean commute | 21.7 minThis ZIP21.7 min |
| Population density | 55.0 / sq miThis ZIP55.0 / sq mi |
Business and tax activity
| Business establishments | 69This ZIP69 |
|---|---|
| Employees | 718This ZIP718 |
| Annual payroll | $31,028,000This ZIP$31,028,000 |
| Tax returns filed | 2,820This ZIP2,820 |
| Total adjusted gross income | $205,903,000This ZIP$205,903,000 |
Land area
| Land area | 94.55 sq miThis ZIP94.55 sq mi |
|---|---|
| Water area | 0.18 sq miThis ZIP0.18 sq mi |
Counties 45830 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Putnam County | 67.2% |
| Allen County | 32.8% |
Other place names in 45830
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45830
| ZIP | City | Distance |
|---|---|---|
45893 | Vaughnsville, OH | 3.2 mi |
45820 | Cairo, OH | 5.4 mi |
45809 | Gomer, OH | 6.5 mi |
45853 | Kalida, OH | 7.5 mi |
45875 | Ottawa, OH | 7.9 mi |
45848 | Glandorf, OH | 8.1 mi |
45807 | Lima, OH | 8.1 mi |
45808 | Beaverdam, OH | 8.3 mi |
45802 | Lima, OH | 9.0 mi |
45877 | Pandora, OH | 9.2 mi |
Find every ZIP code within 10 miles of 45830 →
Questions about this ZIP code
Where is ZIP code 45830?
45830 is in Columbus Grove, Ohio, in Putnam County. Its published point location is 40.9085, -84.0959.
What county is 45830 in?
45830 spans 2 counties: Putnam County and Allen County. Most of it falls in Putnam 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 45830?
Columbus Grove uses area code 419, from NANPA's telephone records.
What time zone is 45830 in?
45830 uses America/New_York.
How many people live in 45830?
About 5,199 people live in ZIP code 45830, in 2,156 households, at 55.0 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 45830?
$80,897 a year, against $71,389 across Ohio.
What ZIP codes are near 45830?
The closest are 45893 (3.2 mi), 45820 (5.4 mi), 45809 (6.5 mi), 45853 (7.5 mi) and 45875 (7.9 mi).
Is 45830 a PO Box ZIP code?
45830 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45830 ZIP Code — Columbus Grove, Ohio (Putnam County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45830
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45830.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.