Upland is a city in San Bernardino County, California with an elevation of 1,242 feet. As of the 2000 census, the city had a total population of 68,393. It was incorporated on May 15, 1906, after previously being named North Ontario. Upland apartments for rent comparison page shows most up to date rent information on Upland apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.