Brimfield is located in Illinois. Brimfield, Illinois has a population of 694. Brimfield is more family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 27%.
The median household income in Brimfield, Illinois is $73,565. The median household income for the surrounding county is $57,840 compared to the national median of $66,222. The median age of people living in Brimfield is 41.1 years.
The average high temperature in July is 84.9 degrees, with an average low temperature in January of 9.5 degrees. The annual precipitation is 38.24.