Belknap is located in Illinois. Belknap, Illinois has a population of 105. Belknap is less family-centric than the surrounding county with 20% households with children. The county percentage for households with children is 21%.
The median household income in Belknap, Illinois is $45,375. The median household income for the surrounding county is $55,642 compared to the national median of $66,222. The median age of people living in Belknap is 43.7 years.
The average high temperature in July is 89.97 degrees, with an average low temperature in January of 23.9 degrees. The annual precipitation is 48.26.