Belknap, IL

Belknap is a village in Johnson County, Illinois, United States. The 2020 census counted 88 residents. Belknap was established 1873 as a stop along what would become the Big Four Railroad. Belknap was likely named for William Worth Belknap, who served as U.S. Secretary of War during this period. The short version is that Belknap carries an earlier story into the places people know and use now. That is the local read on Belknap: its past remains attached to the places people use now. Belknap is located in southern Johnson County situated in the Cache River basin northeast of Karnak and southwest of Vienna. The Heron Pond – Little Black Slough Nature Preserve lies to the north of Belknap, and the 45-mile Tunnel Hill State Trail passes through the village.