Round Lake Beach is located in Illinois. Round Lake Beach, Illinois has a population of 27,262. Round Lake Beach is more family-centric than the surrounding county with 39% households with children. The county percentage for households with children is 35%.
The median household income in Round Lake Beach, Illinois is $72,090. 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 Beach is 34.2 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.