14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gastonia | 1 | 86,218 | 80,528 | 1.34% | 1,625 | 53.07 | City |
| Mount Holly | 2 | 18,779 | 17,763 | 1.09% | 1,667 | 11.27 | City |
| Belmont | 3 | 15,823 | 15,053 | 0.98% | 1,297 | 12.20 | City |
| Cherryville | 4 | 6,402 | 6,091 | 0.98% | 1,103 | 5.80 | City |
| Dallas | 5 | 6,290 | 5,955 | 1.08% | 2,047 | 3.07 | Town |
| Bessemer City | 6 | 5,743 | 5,448 | 1.04% | 1,018 | 5.64 | City |
| Cramerton | 7 | 5,613 | 5,320 | 1.06% | 1,208 | 4.64 | Town |
| Ranlo | 8 | 4,760 | 4,519 | 1.02% | 2,311 | 2.06 | Town |
| Stanley | 9 | 4,124 | 3,976 | 0.73% | 1,441 | 2.86 | Town |
| Lowell | 10 | 3,881 | 3,663 | 1.15% | 1,056 | 3.67 | City |
| Springdale | 11 | 1,401 | 1,237 | 7.11% | 1,976 | 0.71 | CDP |
| McAdenville | 12 | 939 | 891 | 1.08% | 692 | 1.36 | Town |
| Alexis | 13 | 712 | 818 | 7.07% | 361 | 1.98 | CDP |
| High Shoals | 14 | 626 | 595 | 0.97% | 241 | 2.60 | City |
Gastonia is the largest city in Gaston County, with a population of 86,218.
High Shoals is the smallest city in Gaston County.
There are 14 cities in Gaston County, North Carolina.