List of All Counties in Arkansas

by countryaah · Published June 28, 2019 · Updated September 26, 2019

There are a total of 75 counties in the state of Arkansas. Among them, Arkansas County is the oldest one (established in 1813) while Cleburne County is the youngest (established in 1883). With population of 382,748, Pulaski County is the most populated. The biggest county by land area is Union County (2,733 km²) and the smallest is Lafayette County (1,412 km²). Below please see all Arkansas counties which are listed in alphabetical order.