| Rockdale Village, WI (Village) |
| Rockefeller Township, PA (Township) |
| Rockford, MI (City) |
| Rockford, SD (Township) |
| Rockford, OH (Village) |
| Rockford, TN (Town) |
| Rockford, WA (Town) |
| Rockford, ND (Township) |
| Rockford, MO (Township) |
| Rockford, MO (Township) |
| Rockford, KS (Township) |
| Rockford, NE (Township) |
| Rockford, IA (City) |
| Rockford, MN (Township) |
| Rockford, IL (City) |
