| | Randolph County | AR | 05121 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RandolphCounty+AR |
| | St. Francis County | AR | 05123 | | Forrest City, AR 22620 | Memphis-Clarksdale-Forrest
City, TN-MS-AR 368 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=St.FrancisCounty+AR |
| | Saline County | AR | 05125 | | Little Rock-North Little
Rock-Conway, AR 30780 | Little Rock-North Little
Rock, AR 340 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SalineCounty+AR |
| | Scott County | AR | 05127 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ScottCounty+AR |
| | Searcy County | AR | 05129 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SearcyCounty+AR |
| | Sebastian County | AR | 05131 | | Fort Smith, AR-OK 22900 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=SebastianCounty+AR |
| | Sevier County | AR | 05133 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SevierCounty+AR |
| | Sharp County | AR | 05135 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SharpCounty+AR |
| | Stone County | AR | 05137 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=StoneCounty+AR |
| | Union County | AR | 05139 | | El Dorado, AR 20980 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=UnionCounty+AR |