El Dorado Hills residents and businesses are most closely affiliated with El Dorado County, a generally rural area. El Dorado County is part of the Sacramento Metropolitan Area because it is socially and economically integrated with the much larger Sacramento County and especially the city of Folsom.El Dorado Hills is recognized nationally for its high median household income, ranking 77th in CNN Money Magazine's best places to live in 2007, with the median household income for 2007 over $115,000.

El Dorado Hills is in El Dorado County and is one of the best places to live in California. Living in El Dorado Hills offers residents a suburban feel and most residents own their homes. ... Many families live in El Dorado Hills and residents tend to lean conservative.