| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rock Hill | 1 | 76,202 | 74,631 | 0.38% | 1,698 | 45 | City |
| Tega Cay | 2 | 14,805 | 12,867 | 2.41% | 3,221 | 5 | City |
| York | 3 | 10,938 | 8,561 | 2.99% | 1,247 | 9 | City |
| Clover | 4 | 7,852 | 6,786 | 2.52% | 1,660 | 5 | Town |
| Sharon | 5 | 482 | 468 | 0.42% | 368 | 1 | Town |
| Hickory Grove | 6 | 481 | 464 | 0.63% | 282 | 2 | Town |
| McConnells | 7 | 289 | 280 | 0.35% | 85 | 3 | Town |
| Smyrna | 8 | 56 | 56 | 0% | 79 | 1 | Town |
Rock Hill is the largest city in York County, with a population of 76,202.
Smyrna is the smallest city in York County, with a population of 56.
There are 8 cities in York County, South Carolina.