7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Memphis | 1 | 606,551 | 628,388 | -0.71% | 2,048 | 296 | City |
| Collierville | 2 | 52,105 | 51,332 | 0.3% | 1,420 | 37 | Town |
| Germantown | 3 | 39,844 | 41,263 | -0.71% | 1,994 | 20 | City |
| Arlington | 4 | 15,708 | 14,918 | 1.02% | 660 | 24 | Town |
| Lakeland | 5 | 14,513 | 14,027 | 0.67% | 617 | 24 | City |
| Millington | 6 | 11,712 | 10,581 | 1.97% | 523 | 22 | City |
| Gilt Edge | 7 | 473 | 475 | -0.21% | 175 | 3 | City |
Memphis is the largest city in Shelby County, with a population of 606,551.
Gilt Edge is the smallest city in Shelby County, with a population of 473.
There are 7 cities in Shelby County, Tennessee.