Mapleton is a city in Utah County, Utah, United States. It is part of the Provo–Orem, Utah Metropolitan Statistical Area. The population was 5,809 at the 2000 census.
Mapleton is located at 40°7′59″N 111°34′50″W / 40.13306°N 111.58056°W / 40.13306; -111.58056 (40.133156, -111.580497).
According to the United States Census Bureau, the city has a total area of 9.2 square miles (23.9 km²), all of it land. Its elevation is 4,700 feet (1,400 m) above sea level.