Benton County, AR
Benton County was named in honor of U.S. Senator Thomas Hart Benton of Missouri, who was integral in Arkansas’s admission into the Union. Established on September 30, 1836, Benton County has a population of 272,608. Though it's currently the second most populous county in Arkansas, it's projected to become the first by 2030. Located in the northwest corner of Arkansas, Benton County is part of the Ozark Plateau and borders Missouri and Oklahoma.