Cameron Park is a census-designated place in El Dorado County, California, United States and is part of the Greater Sacramento Area. The population was 19,171 in the 2020 census, up from 18,228 in 2010. Cameron Park is a community located in the Northern California Gold Country of the Sierra Nevada foothills, approximately 30 miles east o…Cameron Park is a census-designated place in El Dorado County, California, United States and is part of the Greater Sacramento Area. The population was 19,171 in the 2020 census, up from 18,228 in 2010. Cameron Park is a community located in the Northern California Gold Country of the Sierra Nevada foothills, approximately 30 miles east of Sacramento and 70 miles west of South Lake Tahoe.