El Dorado Hills (EDH) is an unincorporated census-designated place (CDP) located in El Dorado County, California, east of the state capital of Sacramento. The population was 42,108 at the 2010 census, up from 18,016 at the 2000 census. This population growth is attributed through the combination of actual population increase within the 2000 CDP boundaries and expansion of the boundaries. The area of EDH was expanded from in 2000 to in 2010.