Ottawa is a village in Putnam County, Ohio, home to about 4,441 people across 4.5 square miles. Its ZIP code is 45875.
Homes sold for a median of $160 per square foot in the three months ending August 2026, a seller’s market.
Mostly Ottawa; also Glandorf and Gilboa
Each card is that ZIP code’s whole market, including any part outside Ottawa. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Ottawa’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Detroit Metropolitan Wayne County Airport (DTW)90 miles away |
|---|---|
| Closer regional airport | Eugene F. Kranz Toledo Express Airport (TOL)41 miles away |
| Nearest city of 250,000+ | Toledo, OH51 miles away |
| Nearest city of 1 million+ | Chicago, IL197 miles away |
Straight-line distances from the center of Ottawa; 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.
Ottawa had 4,456 residents in the 2020 census, up 2% since 2000.
It’s the 314th 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 (7 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).
92 doctors and other health care providers list an office in Ottawa.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 18 |
| Physical and occupational therapists | 43 |
| Optometrists | 6 |
| Chiropractors | 10 |
| Pharmacies | 4 |
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 (7 nearby)
Grocery stores (2 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Counts are within about 1.5 miles 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 Ottawa-Glandorf Local. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Glandorf Elementary SchoolOttawa | K–8 | 515 | Public | 1.8 mi |
| Ottawa Elementary SchoolOttawa | K–8 | 390 | Public | 1.0 mi |
| Ottawa-Glandorf High SchoolOttawa | 9–12 | 595 | Public | 0.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sts Peter & Paul Catholic SchoolOttawa | K–8 | 312 | Roman Catholic | 0.3 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 Glandorf and Gilboa.
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.