Kansas City, MO Post Offices

Kansas City, Missouri has a population of 497,159. According to the 2021 census, the city's 24 post offices serve 200,420 households with a median income of 200,420. The city is located in Cass County / Clay County / Jackson County / Platte County and has a land area of 815,061,344 and a water area of 10,601,365.