Round Lake Park, IL
Round Lake Park is a village in Lake County, Illinois, United States. The population was 6,038 at the 2000 census.
Round Lake Park is located at 42°20′37″N 88°4′45″W / 42.34361°N 88.07917°W / 42.34361; -88.07917 (42.343688, -88.079175).
According to the United States Census Bureau, the village has a total area of 3.0 square miles (7.9 km²), of which, 3.0 square miles (7.7 km²) of it is land and 0.1 square miles (0.1 km²) of it (1.64%) is water.