40 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Richmond | Wayne County | 35,243 |
| Rushville | Rush County | 6,188 |
| Rochester | Fulton County | 6,172 |
| Rensselaer | Jasper County | 5,662 |
| Roselawn | Newton County | 2,726 |
| Rockville | Parke County | 2,646 |
| Rising Sun | Ohio County | 2,227 |
| Rockport | Spencer County | 1,967 |
| Roanoke | Huntington County | 1,794 |
| Rossville | Clinton County | 1,494 |
| Remington | Jasper County | 1,364 |
| Russiaville | Howard County | 1,304 |
| Rome City | Noble County | 1,296 |
| Redkey | Jay County | 1,056 |
| Rockford | 879 | |
| Roachdale | Putnam County | 875 |
| Roseland | St. Joseph County | 851 |
| Royal Center | Cass County | 796 |
| Ridgeville | Randolph County | 682 |
| Ramsey | Harrison County | 674 |
| Rosedale | Parke County | 659 |
| Rocky Ripple | Marion County | 637 |
| Romney | Tippecanoe County | 596 |
| Reynolds | White County | 540 |
| Reo | 530 | |
| Roann | Wabash County | 433 |
| Reddington | 431 | |
| Richland | Spencer County | 415 |
| Russellville | Putnam County | 318 |
| Riley | Vigo County | 237 |
| Royerton | 218 | |
| Raub | Benton County | 210 |
| Rockfield | Carroll County | 190 |
| Rob Roy | 87 | |
| Raglesville | Daviess County | 86 |
| Rolling Prairie | LaPorte County | 55 |
| Rainsville | Fountain County | 31 |
| Roll | 29 | |
| River Forest | Madison County | 25 |
| Ragsdale | Knox County | 20 |