Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Johnson City (city), TN | 71,046 |
| 2 | Kingsport (city), TN | 55,442 |
| 3 | Bloomingdale (CDP), TN | 8,918 |
| 4 | Church Hill (city), TN | 6,998 |
| 5 | Mount Carmel (town), TN | 5,473 |
| 6 | Oak Grove (CDP), TN | 4,482 |
| 7 | Spurgeon (CDP), TN | 3,978 |
| 8 | Blountville (CDP), TN | 3,120 |
| 9 | Colonial Heights (CDP), TN | 3,055 |
| 10 | Walnut Hill (CDP), TN | 2,331 |
| 11 | Surgoinsville (town), TN | 1,882 |
| 12 | Gray (CDP), TN | 1,293 |
| 13 | Sullivan Gardens (CDP), TN | 1,271 |
| 14 | Fall Branch (CDP), TN | 1,248 |
| 15 | Orebank (CDP), TN | 929 |