Illinois Township is one of thirty-seven townships in Washington County, Arkansas, USA. As of the 2000 census, its total population was 655. Illinois Township was established in 1829. Geography According to the United States Census Bureau, Illinois Township covers an area of , all land. Cities, towns, villages Cincinnati Cemeteries The township contains Beatty Cemetery, Harold Cemetery, Norwood Cemetery and Old Union Cemetery. Major routes Arkansas Highway 59 Arkansas Highway 244 References United States National Atlas External links US-Counties.com City-Data.com Townships in Washington County, Arkansas Populated places established in 1829 Townships in Arkansas Arkansas placenames of Native American origin