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.
- Arkansas County, AR
- Ashley County, AR
- Baxter County, AR
- Benton County, AR
- Boone County, AR
- Bradley County, AR
- Calhoun County, AR
- Carroll County, AR
- Chicot County, AR
- Clark County, AR
- Clay County, AR
- Cleburne County, AR
- Cleveland County, AR
- Columbia County, AR
- Conway County, AR
- Craighead County, AR
- Crawford County, AR
- Crittenden County, AR
- Cross County, AR
- Dallas County, AR
- Desha County, AR
- Drew County, AR
- Faulkner County, AR
- Franklin County, AR
- Fulton County, AR
- Garland County, AR
- Grant County, AR
- Greene County, AR
- Hempstead County, AR
- Hot Spring County, AR
- Howard County, AR
- Independence County, AR
- Izard County, AR
- Jackson County, AR
- Jefferson County, AR
- Johnson County, AR
- Lafayette County, AR
- Lawrence County, AR
- Lee County, AR
- Lincoln County, AR
- Little River County, AR
- Logan County, AR
- Lonoke County, AR
- Madison County, AR
- Marion County, AR
- Miller County, AR
- Mississippi County, AR
- Monroe County, AR
- Montgomery County, AR
- Nevada County, AR
- Newton County, AR
- Ouachita County, AR
- Perry County, AR
- Phillips County, AR
- Pike County, AR
- Poinsett County, AR
- Polk County, AR
- Pope County, AR
- Prairie County, AR
- Pulaski County, AR
- Randolph County, AR
- Saint Francis County, AR
- Saline County, AR
- Scott County, AR
- Searcy County, AR
- Sebastian County, AR
- Sevier County, AR
- Sharp County, AR
- Stone County, AR
- Union County, AR
- Van Buren County, AR
- Washington County, AR
- White County, AR
- Woodruff County, AR
- Yell County, AR