North Kansas City is a city in Clay County, Missouri, United States. It is also enclaved in Kansas City. Even though the name is similar to its larger counterpart, Kansas City, it is an independent municipality and part of the Kansas City metropolitan area. The population was 4,467 at the 2020 census. Originally a northern suburb across the Missouri River from Kansas City, it is now almost completely surrounded by Kansas City, which has annexed far to the north of North Kansas City's northern city limits. North Kansas City also adjoins the small municipality of Avondale.

Clay County is located in the U.S. state of Missouri and is part of the Kansas City metropolitan area. As of the 2020 census, the county had a population of 253,335, making it the fifth-most populous county in Missouri. Its county seat is Liberty. The county was organized January 2, 1822, and named in honor of U.S. Representative Henry Clay from Kentucky, later a member of the United States Senate and United States Secretary of State.