Identifiers: city · town · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Warsaw (city), IN | 15,804 |
| 2 | Columbia City (city), IN | 9,892 |
| 3 | North Manchester (town), IN | 5,277 |
| 4 | Winona Lake (town), IN | 5,053 |
| 5 | Syracuse (town), IN | 3,079 |
| 6 | Churubusco (town), IN | 1,870 |
| 7 | South Whitley (town), IN | 1,818 |
| 8 | Bourbon (town), IN | 1,698 |
| 9 | Milford (town), IN | 1,614 |
| 10 | Tri-Lakes (CDP), IN | 1,329 |
| 11 | North Webster (town), IN | 998 |
| 12 | Mentone (town), IN | 943 |
| 13 | Pierceton (town), IN | 928 |
| 14 | Silver Lake (town), IN | 875 |
| 15 | Etna Green (town), IN | 570 |
| 16 | Leesburg (town), IN | 555 |
| 17 | Cromwell (town), IN | 487 |
| 18 | Claypool (town), IN | 396 |
| 19 | Larwill (town), IN | 273 |
| 20 | Sidney (town), IN | 131 |