2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Carthage | 1 | 2,258 | 2,295 | -0.35% | 778 | 3 | Town |
| Gordonsville | 2 | 1,391 | 1,369 | 0.29% | 196 | 7 | Town |
Carthage is the largest city in Smith County, with a population of 2,258.
Gordonsville is the smallest city in Smith County, with a population of 1,391.
There are 2 cities in Smith County, Tennessee.