Long Grove is located in Illinois. Long Grove, Illinois has a population of 8,258. Long Grove is less family-centric than the surrounding county with 32.12% of the households containing married families with children. The county average for households married with children is 36.27%.
The median household income in Long Grove, Illinois is $207,275. The median household income for the surrounding county is $97,127 compared to the national median of $69,021. The median age of people living in Long Grove is 47.1 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 12.4 degrees. The average rainfall is approximately 37.4 inches per year, with 37.8 inches of snow per year.