Borrego Springs is an unincorporated community in San Diego County, California, United States. The Borrego Springs census-designated place had a population of 2,535 at the 2000 census. Because of frequent summer daytime temperatures over 100°F, many residents are seasonal. Borrego Springs apartments for rent comparison page shows most up to date rent information on Borrego Springs apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.