Franklin County, Kansas Zip Codes

Zip Code	City	Population
66067	Ottawa	15,904
66092	Wellsville	4,298
66076	Pomona	2,346
66095	Williamsburg	1,105
66080	Richmond	961
66078	Princeton	812
66079	Rantoul	626
66042	Lane	622

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.