3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tiptonville | 1 | 3,289 | 3,968 | -3.97% | 992 | 3 | Town |
| Ridgely | 2 | 1,661 | 1,683 | -0.3% | 837 | 2 | Town |
| Wynnburg | 3 | 19 | 38 | 5.56% | 16 | 1 | CDP |
Tiptonville is the largest city in Lake County, with a population of 3,289.
Wynnburg is the smallest city in Lake County, with a population of 19.
There are 3 cities in Lake County, Tennessee.