40 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Richmond | Wayne County | 35,520 |
| Rushville | Rush County | 6,211 |
| Rochester | Fulton County | 6,069 |
| Rensselaer | Jasper County | 5,610 |
| Roselawn | Newton County | 2,726 |
| Rockville | Parke County | 2,608 |
| Rising Sun | Ohio County | 2,216 |
| Rockport | Spencer County | 1,988 |
| Roanoke | Huntington County | 1,802 |
| Rossville | Clinton County | 1,514 |
| Remington | Jasper County | 1,371 |
| Rome City | Noble County | 1,315 |
| Russiaville | Howard County | 1,312 |
| Redkey | Jay County | 1,070 |
| Roachdale | Putnam County | 879 |
| Rockford | 879 | |
| Roseland | St. Joseph County | 853 |
| Royal Center | Cass County | 791 |
| Ridgeville | Randolph County | 687 |
| Ramsey | Harrison County | 674 |
| Rosedale | Parke County | 656 |
| Rocky Ripple | Marion County | 651 |
| Romney | Tippecanoe County | 596 |
| Reynolds | White County | 533 |
| Reo | 530 | |
| Roann | Wabash County | 435 |
| Reddington | 431 | |
| Richland | Spencer County | 418 |
| Russellville | Putnam County | 317 |
| Riley | Vigo County | 238 |
| 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 | 26 |
| Ragsdale | Knox County | 20 |