There are 9 zip codes in Osage County, Kansas. The most populated is 66523, located in Osage City. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
665233,796Osage City
664142,513Carbondale
665242,412Overbrook
664511,834Lyndon
664131,711Burlingame
665371,222Scranton
665431,044Vassar
66528785Quenemo
66510683Melvern

Zip Codes in Osage County, Kansas by Population (2024)