Echo Lake is located in Illinois. Echo Lake, Illinois has a population of 9,991.
The median household income in Echo Lake, Illinois is $111,651. The median household income for the surrounding county is $82,613 compared to the national median of $57,652. The median age of people living in Echo Lake is 38 years.
The average high temperature in July is 81.7 degrees, with an average low temperature in January of 14.6 degrees. The average rainfall is approximately 36.2 inches per year, with 39.5 inches of snow per year.