16 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Weatherford | 1 | 43,506 | 31,178 | 4.96% | 1,477 | 29 | City |
| White Settlement | 2 | 18,013 | 18,270 | -0.24% | 3,576 | 5 | City |
| Azle | 3 | 15,853 | 13,432 | 2.62% | 1,801 | 9 | City |
| Willow Park | 4 | 7,785 | 4,983 | 6.38% | 1,210 | 6 | City |
| Aledo | 5 | 7,515 | 4,934 | 6.07% | 2,630 | 3 | City |
| Springtown | 6 | 5,719 | 3,091 | 8.29% | 1,884 | 3 | City |
| Reno | 7 | 4,015 | 2,920 | 4.78% | 304 | 13 | City |
| Annetta | 8 | 3,679 | 3,061 | 2.88% | 980 | 4 | Town |
| Pelican Bay | 9 | 2,972 | 2,077 | 5.28% | 4,436 | 1 | City |
| Lakeside | 10 | 1,596 | 1,644 | -0.5% | 915 | 2 | Town |
| Dennis | 11 | 890 | 748 | 2.77% | 635 | 1 | Town |
| Annetta South | 12 | 744 | 621 | 2.9% | 390 | 2 | Town |
| Peaster | 13 | 670 | 561 | 2.76% | 295 | 2 | Town |
| Annetta North | 14 | 665 | 551 | 2.94% | 176 | 4 | Town |
| Millsap | 15 | 449 | 368 | 3.22% | 306 | 1 | Town |
| Sanctuary | 16 | 405 | 339 | 2.79% | 473 | 1 | Town |
Weatherford is the largest city in Parker County, with a population of 43,506.
Sanctuary is the smallest city in Parker County, with a population of 405.
There are 16 cities in Parker County, Texas.