Hennepin is located in Illinois. Hennepin, Illinois has a population of 832. Hennepin is more family-centric than the surrounding county with 34.02% of the households containing married families with children. The county average for households married with children is 25.46%.
The median household income in Hennepin, Illinois is $70,000. The median household income for the surrounding county is $67,419 compared to the national median of $69,021. The median age of people living in Hennepin is 40.5 years.
The average high temperature in July is 86.1 degrees, with an average low temperature in January of 15.3 degrees. The average rainfall is approximately 37.2 inches per year, with 20.9 inches of snow per year.
