Hennepin is located in Putnam County, IL. The population is 808, making Hennepin the 2nd largest city in Putnam County.
There are 1 public schools in Hennepin with an average Homefacts rating of A-. The total crime rate for Hennepin is high , and there are 0 registered sex offenders residing in the city. Unemployment in Hennepin is very high and the median home sales price is $0. Detailed and up-to-date Hennepin property reports are available for any property address.
Cities near Hennepin include Hennepin Township, Mark and Leepertown Township.