Arthur is a village in Douglas and Moultrie counties in Illinois, with Arthur's primary street, Vine Street, being the county line. The population was 2,231 at the 2020 census. The Arthur area is home to the largest and oldest Amish community in Illinois, which was founded in the 1860s.

Douglas County is a county located in the U.S. state of Illinois. As of the 2020 United States Census, the population was 19,740. The county seat is Tuscola.