Upland is a city in San Bernardino County, California, located at an elevation of 1,242 feet (379 m). As of the 2010 census, the city had a population of 73,732, up from 68,393 at the 2000 census. It was incorporated on May 15, 1906, after previously being named North Ontario. Upland is located at the foot of the highest part of the San Gabriel Mountains.