Deerfield is located in Illinois. Deerfield, Illinois has a population of 18,951. Deerfield 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 Deerfield, Illinois is $156,386. 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 Deerfield is 46.3 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.