16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Weatherford | 1 | 41,451 | 31,178 | 5.21% | 1,408 | 29 | City |
| White Settlement | 2 | 18,056 | 18,270 | -0.24% | 3,585 | 5 | City |
| Azle | 3 | 15,449 | 13,432 | 2.68% | 1,755 | 9 | City |
| Willow Park | 4 | 7,318 | 4,983 | 6.82% | 1,138 | 6 | City |
| Aledo | 5 | 7,085 | 4,934 | 6.46% | 2,480 | 3 | City |
| Springtown | 6 | 5,281 | 3,091 | 9.04% | 1,739 | 3 | City |
| Reno | 7 | 3,832 | 2,920 | 4.99% | 290 | 13 | City |
| Annetta | 8 | 3,576 | 3,061 | 2.97% | 953 | 4 | Town |
| Pelican Bay | 9 | 2,823 | 2,077 | 5.57% | 4,213 | 1 | City |
| Lakeside | 10 | 1,604 | 1,644 | -0.5% | 919 | 2 | Town |
| Dennis | 11 | 866 | 748 | 2.73% | 618 | 1 | Town |
| Annetta South | 12 | 723 | 621 | 2.84% | 379 | 2 | Town |
| Peaster | 13 | 652 | 561 | 2.84% | 287 | 2 | Town |
| Annetta North | 14 | 646 | 551 | 3.03% | 171 | 4 | Town |
| Millsap | 15 | 435 | 368 | 3.08% | 296 | 1 | Town |
| Sanctuary | 16 | 394 | 339 | 2.87% | 460 | 1 | Town |
Weatherford is the largest city in Parker County, with a population of 41,451.
Sanctuary is the smallest city in Parker County, with a population of 394.
There are 16 cities in Parker County, Texas.