Buffalo Grove is located in Illinois. Buffalo Grove, Illinois has a population of 43,062. Buffalo Grove is more family-centric than the surrounding county with 42.12% of the households containing married families with children. The county average for households married with children is 36.27%.
The median household income in Buffalo Grove, Illinois is $121,212. 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 Buffalo Grove is 41.2 years.
The average high temperature in July is 83 degrees, with an average low temperature in January of 16.7 degrees. The average rainfall is approximately 36.2 inches per year, with 36 inches of snow per year.