10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Milan | 1 | 8,369 | 8,176 | 0.47% | 935 | 8.95 | City |
| Humboldt | 2 | 7,816 | 7,876 | -0.15% | 753 | 10.38 | City |
| Medina | 3 | 5,771 | 5,158 | 2.18% | 1,439 | 4.01 | City |
| Trenton | 4 | 3,996 | 4,236 | -1.19% | 497 | 8.04 | City |
| Dyer | 5 | 2,330 | 2,307 | 0.22% | 814 | 2.86 | City |
| Kenton | 6 | 1,241 | 1,281 | -0.64% | 492 | 2.52 | Town |
| Rutherford | 7 | 1,130 | 1,157 | -0.44% | 491 | 2.30 | Town |
| Bradford | 8 | 985 | 1,000 | -0.3% | 556 | 1.77 | Town |
| Gibson | 9 | 377 | 364 | 0.8% | 617 | 0.61 | Town |
| Yorkville | 10 | 227 | 234 | -0.44% | 175 | 1.30 | City |
Milan is the largest city in Gibson County, with a population of 8,369.
Yorkville is the smallest city in Gibson County.
There are 10 cities in Gibson County, Tennessee.