3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tiptonville | 1 | 3,076 | 3,978 | -5.53% | 928 | 3.31 | Town |
| Ridgely | 2 | 1,565 | 1,684 | -1.51% | 789 | 1.98 | Town |
| Wynnburg | 3 | 19 | 38 | 5.56% | 16 | 1.16 | CDP |
Tiptonville is the largest city in Lake County, with a population of 3,076.
Wynnburg is the smallest city in Lake County.
There are 3 cities in Lake County, Tennessee.