Columbus Grove is a village in Putnam County, Ohio, home to about 1,532 people across 1.2 square miles. Its ZIP code is 45830.
Homes sold for a median of $159 per square foot in the three months ending August 2026, a seller’s market.
Mostly Columbus Grove; also Beaverdam
Each card is that ZIP code’s whole market, including any part outside Columbus Grove. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Columbus Grove’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)89 miles away |
|---|---|
| Closer regional airport | Eugene F. Kranz Toledo Express Airport (TOL)48 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN57 miles away |
| Nearest city of 1 million+ | Chicago, IL198 miles away |
Straight-line distances from the center of Columbus Grove; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Columbus Grove had 2,160 residents in the 2020 census, down 2% since 2000.
It’s the 561st largest of 1,264 towns in Ohio by population.
Putnam County grew from 32,525 residents in 1900 to 34,451 in 2020.
Putnam County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 19°F. About 38.7 inches of rain and melted snow fall in a typical year, with about 33 inches of snow.
Source: NOAA 1991–2020 climate normals, Pandora, OH weather station (6 miles away).
10,624 jobs at 734 businesses in Putnam County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
16 doctors and other health care providers list an office in Columbus Grove.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 2 |
| Physical and occupational therapists | 2 |
| Chiropractors | 5 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores (1 nearby)
Libraries
Museums (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Columbus Grove Local. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Columbus Grove Elementary SchoolColumbus Grove | K–4 | 256 | Public | 1.0 mi |
| Columbus Grove Middle SchoolColumbus Grove | 5–8 | 223 | Public | 1.0 mi |
| Columbus Grove High SchoolColumbus Grove | 9–12 | 247 | Public | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Anthony of Padua SchoolColumbus Grove | Pre-K–8 | 98 | Roman Catholic | 0.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Beaverdam.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.