9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Elizabethton | 1 | 14,150 | 14,530 | -0.53% | 1,481 | 9.55 | City |
| Valley Forge | 2 | 2,552 | 1,805 | 7.14% | 807 | 3.16 | CDP |
| Biltmore | 3 | 2,396 | 1,796 | 7.16% | 934 | 2.57 | CDP |
| Hunter | 4 | 2,188 | 2,075 | 1.02% | 342 | 6.40 | CDP |
| Pine Crest | 5 | 2,006 | 2,318 | -1.23% | 1,040 | 1.93 | CDP |
| Central | 6 | 1,858 | 1,926 | -1.48% | 528 | 3.52 | CDP |
| Hampton | 7 | 1,774 | 1,568 | 7.13% | 407 | 4.36 | CDP |
| Roan Mountain | 8 | 890 | 1,064 | -3.37% | 134 | 6.63 | CDP |
| Watauga | 9 | 366 | 351 | 0.83% | 419 | 0.87 | City |
Elizabethton is the largest city in Carter County, with a population of 14,150.
Watauga is the smallest city in Carter County.
There are 9 cities in Carter County, Tennessee.