Bonfield is located in Illinois. Bonfield, Illinois has a population of 347. Bonfield is less family-centric than the surrounding county with 13% households with children. The county percentage for households with children is 27%.
The median household income in Bonfield, Illinois is $77,609. The median household income for the surrounding county is $60,559 compared to the national median of $66,222. The median age of people living in Bonfield is 46 years.
The average high temperature in July is 84.3 degrees, with an average low temperature in January of 12.34 degrees. The annual precipitation is 35.7.