Lost Nation's
Daily Encourager

Lost Nation, Illinois is an unincorporated community and census-designated place (CDP) in Ogle County, Illinois, United States. It is located south of the city of Oregon. As of the 2020 census, Lost Nation had a population of 714. Lost Nation has an area of 2.552 square miles (6.61 km2); 2.441 square miles (6.32 km2) of this is land, and 0.111 square miles (0.29 km2) is water.