Long Grove is located in Illinois. Long Grove, Illinois has a population of 8,517. Long Grove 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 Long Grove, Illinois is $184,811. 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 Long Grove is 48.3 years.
The average high temperature in July is 82.3 degrees, with an average low temperature in January of 9.6 degrees. The annual precipitation is 36.56.