Round Lake Heights is located in Illinois. Round Lake Heights, Illinois has a population of 2,712. Round Lake Heights is more family-centric than the surrounding county with 46% households with children. The county percentage for households with children is 35%.
The median household income in Round Lake Heights, Illinois is $78,055. The median household income for the surrounding county is $91,525 compared to the national median of $66,222. The median age of people living in Round Lake Heights is 34.8 years.
The average high temperature in July is 82.2 degrees, with an average low temperature in January of 12.1 degrees. The annual precipitation is 35.5.