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County Information



Some of the cities, towns, and places in Wyandotte County are Argentine, Armourdale, Bonner Springs, Edwardsville, Johnson counties, Johnson County, Kansas City, Lake Quivira, Leavenworth, Piper, Rosedale, Turner



Wyandotte County (; county code WY) is a county in the U.S. state of Kansas. As of the 2010 census, the population was 157,505, making it Kansas's fourth-most populous county. Its county seat and most populous city is Kansas City, with which it shares a unified government. Wyandotte County is directly north of Johnson County, Kansas and west of Kansas City, Missouri.