5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lebanon | 1 | 54,259 | 38,891 | 6.01% | 1,334 | 40.66 | City |
| Mount Juliet | 2 | 45,062 | 39,686 | 2.44% | 1,746 | 25.82 | City |
| Gladeville | 3 | 2,542 | 1,733 | 7.12% | 561 | 4.53 | CDP |
| Watertown | 4 | 1,638 | 1,555 | 1.05% | 1,141 | 1.44 | City |
| Norene | 5 | 333 | 226 | 7.42% | 195 | 1.71 | CDP |
Lebanon is the largest city in Wilson County, with a population of 54,259.
Norene is the smallest city in Wilson County.
There are 5 cities in Wilson County, Tennessee.