Logan County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 21,131. Its two county seats are Booneville and Paris. The Arkansas General Assembly defined the state's 64th county on March 22, 1871, incorporating parts of Scott, Yell, and Pope counties. They named it Sarber County for John Newton Sarbe…Logan County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 21,131. Its two county seats are Booneville and Paris. The Arkansas General Assembly defined the state's 64th county on March 22, 1871, incorporating parts of Scott, Yell, and Pope counties. They named it Sarber County for John Newton Sarber, an attorney and Republican state senator from Yell County. He had introduced the resolution to organize the county. Born and reared in Pittsburgh, Pennsylvania, he had moved with his widowed father and family to Kansas in 1855. Sarber became influential in the Arkansas legislature, introducing bills to establish a public school system for the first time, and what developed as the University of Arkansas. In 1873, Sarber was appointed U.S. marshal of the U.S. Western District Court at Fort Smith.