Hesperia is a city in San Bernardino County, California, United States. It is located 35 miles (56 km) north of downtown San Bernardino in Victor Valley and surrounded by the Mojave Desert. Because of its relatively high elevation and the unique and moderate weather patterns of the region, Hesperia is part of what is locally called the High Desert. The name "Hesperia" means "western land". At the 2020 census, the city had a population of 99,818.