| City | County | 2026 Pop. ↓ |
|---|---|---|
| Rogers | Benton County | 78,308 |
| Russellville | Pope County | 29,615 |
| Rockwell | Garland County | 3,954 |
| Rector | Clay County | 1,773 |
| Redfield | Jefferson County | 1,490 |
| Roland | Pulaski County | 1,332 |
| Rison | Cleveland County | 910 |
| Rockport | Garland County | 708 |
| Rose Bud | White County | 498 |
| Ravenden | Lawrence County | 412 |
| Reyno | Randolph County | 390 |
| Rosston | Nevada County | 262 |
| Rye | Cleveland County | 209 |
| Rover | Yell County | 192 |
| Russell | White County | 184 |
| Ratcliff | Logan County | 163 |
| Rondo | Lee County | 145 |
| Rudy | Crawford County | 132 |
| Ravenden Springs | Randolph County | 121 |
| Reed | Desha County | 110 |
| Reader | Nevada County | 96 |
| Rivervale | Poinsett County | 84 |
| Roe | Monroe County | 73 |