26 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Weatherford | 1 | 42,752 | 31,144 | 5.74% | 1,559 | 27.43 | City |
| White Settlement | 2 | 17,827 | 18,271 | -0.5% | 3,539 | 5.04 | City |
| Azle | 3 | 15,316 | 13,431 | 2.52% | 1,740 | 8.80 | City |
| Willow Park | 4 | 7,734 | 4,973 | 7.69% | 1,202 | 6.43 | City |
| Aledo | 5 | 7,189 | 4,934 | 6.69% | 2,740 | 2.62 | City |
| Briar | 6 | 6,367 | 5,255 | 0.73% | 313 | 20.32 | CDP |
| Springtown | 7 | 4,908 | 3,090 | 8.01% | 1,617 | 3.04 | City |
| Reno | 8 | 3,865 | 2,924 | 5.11% | 293 | 13.20 | City |
| Annetta | 9 | 3,599 | 3,064 | 3.06% | 959 | 3.75 | Town |
| Pelican Bay | 10 | 2,895 | 2,084 | 5.93% | 4,321 | 0.67 | City |
| Carter | 11 | 2,170 | 1,212 | 7.16% | 338 | 6.43 | CDP |
| Lakeside | 12 | 1,565 | 1,644 | -1.01% | 897 | 1.75 | Town |
| Dennis | 13 | 1,102 | 498 | 7.09% | 787 | 1.40 | Town |
| Dennis | 14 | 1,102 | 498 | 27.99% | 787 | 1.40 | Town |
| Dennis | 15 | 1,102 | 759 | 7.09% | 787 | 1.40 | Town |
| Dennis | 16 | 1,102 | 759 | 27.99% | 787 | 1.40 | Town |
| Dennis | 17 | 887 | 498 | -13.8% | 633 | 1.40 | Town |
| Dennis | 18 | 887 | 498 | 3.02% | 633 | 1.40 | Town |
| Dennis | 19 | 887 | 759 | -13.8% | 633 | 1.40 | Town |
| Dennis | 20 | 887 | 759 | 3.02% | 633 | 1.40 | Town |
| Annetta South | 21 | 725 | 620 | 2.98% | 380 | 1.91 | Town |
| Annetta North | 22 | 653 | 553 | 3.16% | 173 | 3.78 | Town |
| Peaster | 23 | 651 | 561 | 2.84% | 287 | 2.27 | Town |
| Garner | 24 | 466 | 389 | 7.13% | 134 | 3.47 | CDP |
| Millsap | 25 | 441 | 373 | 3.28% | 300 | 1.47 | Town |
| Sanctuary | 26 | 391 | 336 | 2.89% | 456 | 0.86 | Town |
Weatherford is the largest city in Parker County, with a population of 42,752.
Sanctuary is the smallest city in Parker County.
There are 26 cities in Parker County, Texas.