Oswego is a city in Labette County, Kansas, home to about 1,937 people across 2.4 square miles. Its ZIP code is 67356.
Homes sold for a median of $75 per square foot in the three months ending August 2026, a seller’s market.
Mostly Oswego; also Labette
Each card is that ZIP code’s whole market, including any part outside Oswego. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Tulsa International Airport (TUL)80 miles away |
|---|---|
| Closer regional airport | Joplin Regional Airport (JLN)35 miles away |
| Nearest city of 250,000+ | Tulsa, OK84 miles away |
| Nearest city of 1 million+ | Dallas, TX317 miles away |
Straight-line distances from the center of Oswego; 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.
Oswego had 1,668 residents in the 2020 census, down 18% since 2000.
It’s the 129th largest of 721 towns in Kansas by population.
Labette County grew from 27,387 residents in 1900 to 20,184 in 2020.
Labette County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 22°F. About 44.8 inches of rain and melted snow fall in a typical year, with about 7 inches of snow.
Source: NOAA 1991–2020 climate normals, Parsons 2 Nw, KS weather station (15 miles away).
6,826 jobs at 443 businesses in Labette County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Oswego.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 3 |
| Chiropractors | 2 |
| 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.
Public schools here are run by Oswego. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Oswego Neosho Hgts ElemOswego | Pre-K–5 | 178 | Public | 2.1 mi |
| Oswego Junior-Senior High SchoolOswego | 6–12 | 195 | Public | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Labette.
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.