Round Lake Heights is a village in Lake County, Illinois. It is about 50 miles north of Chicago and few miles away from the coast of Lake Michigan.

According to the United States Census Bureau, as of 2000 Round Lake Heights has a population of just over 1,300 people. The village has a total land area of 0.6 square miles.

The racial demographics of Round Lake Heights are over 82.33% White, 2.08% African American, 0.15% Native American, 1.11% Asian, 0.07% Pacific Islander, 10.54% from other races, and 3.71% from two or more races.

Round Lake Heights has over 400 households. The median income for a household in the village is $54,706, and the median income for a family is $60,000.

Lake County is located in northern Illinois and is surrounded six other counties, including three counties from Michigan and one county from Wisconsin. The county is located along Lake Michigan and is part of the Chicago Metropolitan Area, the third largest in the United States. Lake County ranks as the Lake 31st richest county in the United States by per-capita income.

According to the U.S. Census Bureau of 2006, Lake County has a population of more than 700,000 people. The county has a total area of 1,368 square miles. The county has more than 920 square miles of water, with dozens of lakes.

Lake County is divided into 19 townships, which have dozens of cities and villages and other communities. The county seat is Waukegan.