Lyon County, Kansas Zip Codes

Zip Code	City	Population
66801	Emporia	27,416
66835	Americus	1,268
66865	Olpe	1,046
66854	Hartford	800
66868	Reading	678
66833	Allen	642
66864	Neosho Rapids	478
66830	Admire	272

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