El Dorado is a city located in Kansas. With a 2020 population of 12,895, it is the 28th largest city in Kansas and the 2579th largest city in the United States. El Dorado is currently declining at a rate of -0.15% annually and its population has decreased by -0.97% since the most recent census, which recorded a population of 13,021 in 2010. El Dorado reached it's highest population of 13,226 in 2010. Spanning over 9 miles, El Dorado has a population density of 1,408 people per square mile.
The average household income in El Dorado is $57,424 with a poverty rate of 16.80%. The median rental costs in recent years comes to $731 per month, and the median house value is $88,200. The median age in El Dorado is 37.2 years, 36.2 years for males, and 37.9 years for females. For every 100 females there are 87.5 males.