Adair county is located in eastern Oklahoma on the Arkansas border with Stilwell serving as the county seat. County residents enjoy Adair State Park near Stilwell in the southern part of the county and Natural Falls State Park on the Illinois River near the Delaware County line.
The county population on July 1, 1999, was 20,544, an increase of 2,123 over the 1990 census.
Created in 1907 from the lands of the Cherokee Nation's Going Snake and Flint districts, Adair county was named after a well known Cherokee family, while Stilwell, formed in 1897, has been the county seat since 1910.
The annual Strawberry Festival is held in May to celebrate one of the principal crops of the area.
Important industries of the county include food processing and canning, poultry raising, cattle ranching and horse breeding.