23 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Rogers | Benton County | 78,278 |
| Russellville | Pope County | 29,689 |
| Rockwell | Garland County | 3,954 |
| Rector | Clay County | 1,762 |
| Redfield | Jefferson County | 1,496 |
| Roland | Pulaski County | 1,332 |
| Rison | Cleveland County | 922 |
| Rockport | Garland County | 710 |
| Rose Bud | White County | 499 |
| Ravenden | Lawrence County | 418 |
| Reyno | Randolph County | 393 |
| Rosston | Nevada County | 263 |
| Rye | Cleveland County | 209 |
| Rover | Yell County | 192 |
| Russell | White County | 185 |
| Ratcliff | Logan County | 166 |
| Rondo | Lee County | 146 |
| Rudy | Crawford County | 131 |
| Ravenden Springs | Randolph County | 123 |
| Reed | Desha County | 109 |
| Reader | Nevada County | 96 |
| Rivervale | Poinsett County | 84 |
| Roe | Monroe County | 66 |