| Rivers Edge Community Development District, FL (CDD) |
| Riverside, NE (Township) |
| Riverside, NE (Township) |
| Riverside, GA (Town) |
| Riverside, WA (Town) |
| Riverside, KS (Township) |
| Riverside, KS (Township) |
| Riverside, ND (Township) |
| Riverside, MO (City) |
| Riverside, TX (City) |
| Riverside, WY (Town) |
| Riverside, PA (Borough) |
| Riverside, CA (City) |
| Riverside, SD (Township) |
| Riverside, SD (Township) |
