El Dorado, Arkansas, is a city located in Union County in the southern part of the state. It serves as the county seat and has a rich history tied to the oil boom of the early 20th century, which significantly contributed to its growth and development. The city is known for its historic downtown area and various cultural attractions. The population of El Dorado is approximately 18,000 residents. The city hosts several annual events, including the El Dorado Film Festival, which showcases independent films and promotes local artists. Additionally, El Dorado is home to the South Arkansas Community College, providing educational opportunities for the community.