| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tyler | 1 | 115,314 | 106,182 | 1.4% | 1,995 | 58 | City |
| Whitehouse | 2 | 10,332 | 8,286 | 3.63% | 1,880 | 5 | City |
| Lindale | 3 | 7,670 | 6,053 | 3.86% | 1,240 | 6 | City |
| Bullard | 4 | 5,607 | 3,848 | 5.77% | 1,339 | 4 | Town |
| Hideaway | 5 | 3,507 | 3,212 | 1.39% | 1,697 | 2 | City |
| Troup | 6 | 2,223 | 2,011 | 1.6% | 904 | 2 | City |
| Arp | 7 | 1,044 | 905 | 2.35% | 399 | 3 | City |
| Noonday | 8 | 822 | 609 | 5.25% | 394 | 2 | City |
| Winona | 9 | 762 | 629 | 2.01% | 495 | 2 | Town |
| New Chapel Hill | 10 | 658 | 614 | 1.08% | 275 | 2 | City |
Tyler is the largest city in Smith County, with a population of 115,314.
New Chapel Hill is the smallest city in Smith County, with a population of 658.
There are 10 cities in Smith County, Texas.