Buffalo Grove is located in Illinois. Buffalo Grove, Illinois has a population of 39,619. Buffalo Grove is less family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 35%.
The median household income in Buffalo Grove, Illinois is $113,808. 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 Buffalo Grove is 45.6 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 13.7 degrees. The annual precipitation is 36.8.