| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Carthage | 1 | 2,275 | 2,286 | -0.31% | 784 | 3 | Town |
| Gordonsville | 2 | 1,469 | 1,369 | 0.34% | 207 | 7 | Town |
Carthage is the largest city in Smith County, with a population of 2,275.
Gordonsville is the smallest city in Smith County, with a population of 1,469.
There are 2 cities in Smith County, Tennessee.