Ottawa is a city in Franklin County, Kansas, home to about 12,678 people across 10 square miles. Its ZIP code is 66067.
Homes sold for a median of $161 per square foot in the three months ending August 2026, a seller’s market.
Mostly Ottawa; also Centropolis
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 | Kansas City International Airport (MCI)56 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO53 miles away |
| Nearest city of 1 million+ | Dallas, TX411 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 12,625 residents in the 2020 census, up 6% since 2000.
It’s the 29th largest of 721 towns in Kansas by population.
Franklin County grew from 21,354 residents in 1900 to 25,996 in 2020.
Franklin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 18°F. About 40 inches of rain and melted snow fall in a typical year, with about 9 inches of snow.
Source: NOAA 1991–2020 climate normals, Ottawa, KS weather station (about a mile away).
9,033 jobs at 533 businesses in Franklin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
152 doctors and other health care providers list an office in Ottawa.
Nearest hospitals
Providers with an office here
| Primary care doctors | 16 |
|---|---|
| Specialist doctors | 11 |
| Dentists | 7 |
| Nurse practitioners and physician assistants | 20 |
| Mental health providers | 61 |
| Physical and occupational therapists | 20 |
| Optometrists | 5 |
| Chiropractors | 12 |
| Pharmacies | 7 |
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 (10 nearby)
Grocery stores (2 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 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.
Established in 1865.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Ottawa. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Garfield ElemOttawa | Pre-K–5 | 368 | Public | 1.3 mi |
| Lincoln ElemOttawa | Pre-K–5 | 298 | Public | 1.7 mi |
| Sunflower Elementary SchoolOttawa | Pre-K–5 | 333 | Public | 2.1 mi |
| Ottawa Middle SchoolOttawa | 6–8 | 456 | Public | 1.1 mi |
| Ottawa Sr HighOttawa | 6–12 | 681 | Public | 1.0 mi |
| Ottawa Virtual SchoolOttawa | 6–12 | 14 | Public | 0.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sacred Heart Catholic SchoolOttawa | Pre-K–5 | 57 | Roman Catholic | 0.5 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 Centropolis.
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.