Putnam, Illinois, is a small, unincorporated community in Putnam County, located west of Senachwine Lake along Illinois Route 29, north of Henry. With a population of about 100, this quaint village, originally named Senachwine after a prominent Native American chief, offers a glimpse into rural Midwestern life.
Putnam currently has 17 single family homes for sale and 63 lots for sale. For anyone looking for a brand new home, there is 1 new construction home for sale.