El Dorado County, California along with the population since the 1960 Winter Olympics, hosted at Squaw Valley Ski Resort in neighboring Placer County. The present-day site of El Dorado County was once home to the Maidu, Washoe, and Miwok Native American tribes, and is notable for being the site of the 1848 gold discovery that sparked the California Gold Rush. The County of El Dorado was one of California's original 27 counties created effective February 18, 1850 (the number has risen to 58 today). Its name is derived from the Spanish meaning "the gilded/golden". The final segments of the Pony Express mail route ran
El Dorado Springs, Missouri El Dorado Springs, Missouri El Dorado Springs is the largest city in Cedar County, Missouri, United States. The population was 3,593 at the 2010 census. The name is commonly shortened to El Dorado or El Do. El Dorado Springs is located at (37.870872, -94.021024). According to the United States Census Bureau, the city has a total area of , of which is land and is water. As of the census of 2010, there were 3,593 people, 1,591 households, and 908 families residing in the city. The population density was . There were 1,918 housing units at an average density of