Colton is a city in San Bernardino County, California, United States. Nicknamed "Hub City", Colton is located in the Inland Empire region of the state and is a suburb of San Bernardino, approximately 4 miles (6.4 km) south of the city's downtown. The population of Colton is 52,154 according to the 2010 census, up from 47,662 at the 2000 census.