Merriam /ˈmɛriəm/ is a city in Johnson County, Kansas, United States, and part of the Kansas City Metropolitan Area. As of the 2010 census, the city population was 11,003. It is bordered by the cities of Overland Park to the east and south, Shawnee to the west, and Kansas City, Kansas to the north (in Wyandotte County); the city of Lenexa is less than a mile to the southwest. Merriam is included in the Shawnee Mission postal designation.