Belknap is located in Illinois. Belknap, Illinois has a population of 163. Belknap is less family-centric than the surrounding county with 12.82% of the households containing married families with children. The county average for households married with children is 24.3%.
The median household income for the surrounding county is $58,502 compared to the national median of $69,021. The median age of people living in Belknap is 34.2 years.
The average high temperature in July is 88.8 degrees, with an average low temperature in January of 25.5 degrees. The average rainfall is approximately 49.5 inches per year, with 8.2 inches of snow per year.