Cameron is a city in Clinton, DeKalb and Caldwell counties in the U.S. state of Missouri. The population was 8,513 at the 2020 census. The Clinton and Caldwell counties portion of Cameron are part of the Kansas City, MO–KS Metropolitan Statistical Area, while the DeKalb County portion is part of the St. Joseph, MO–KS Metropolitan Statistical Area. The city as a whole is a part of the Kansas City-Overland Park-Kansas City Combined Statistical Area.