Mark is located in Putnam County, IL. The population is 607, making Mark the 3rd largest city in Putnam County.
There are 0 public schools in Mark with an average Homefacts rating of NA. The total crime rate for Mark is high , and there are 0 registered sex offenders residing in the city. Unemployment in Mark is very high and the median home sales price is $0. Detailed and up-to-date Mark property reports are available for any property address.
Cities near Mark include Granville, Granville Township and Hennepin.