| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Denton | 1 | 175,704 | 141,141 | 3.7% | 1,813 | 97 | City |
| Lewisville | 2 | 141,416 | 126,408 | 1.73% | 3,478 | 41 | City |
| Flower Mound | 3 | 80,415 | 76,464 | 1.1% | 1,917 | 42 | Town |
| Little Elm | 4 | 66,237 | 46,783 | 5.6% | 3,577 | 19 | City |
| The Colony | 5 | 46,496 | 44,773 | 0.65% | 3,320 | 14 | City |
| Corinth | 6 | 25,713 | 22,747 | 1.64% | 3,310 | 8 | City |
| Highland Village | 7 | 16,079 | 15,951 | 0.31% | 2,907 | 6 | City |
| Trophy Club | 8 | 13,691 | 13,764 | -0.03% | 3,437 | 4 | Town |
| Northlake | 9 | 13,343 | 5,524 | 10.86% | 672 | 20 | Town |
| Providence Village | 10 | 13,148 | 7,745 | 5.2% | 4,772 | 3 | Town |
| Roanoke | 11 | 11,223 | 9,764 | 2.67% | 1,629 | 7 | City |
| Sanger | 12 | 10,545 | 8,931 | 3% | 897 | 12 | City |
| Aubrey | 13 | 9,951 | 5,272 | 9.76% | 2,336 | 4 | City |
| Pilot Point | 14 | 8,640 | 4,420 | 7.3% | 1,091 | 8 | City |
| Lake Dallas | 15 | 7,897 | 7,724 | 0.57% | 3,252 | 2 | City |
| Justin | 16 | 7,709 | 4,505 | 5.82% | 1,665 | 5 | City |
| Oak Point | 17 | 7,467 | 4,595 | 8.08% | 1,275 | 6 | City |
| Hickory Creek | 18 | 7,411 | 4,769 | 7.8% | 1,514 | 5 | Town |
| Krum | 19 | 7,109 | 5,592 | 4.42% | 2,243 | 3 | City |
| Argyle | 20 | 6,830 | 4,457 | 7.19% | 591 | 12 | City |
| Shady Shores | 21 | 3,055 | 2,780 | 1.9% | 943 | 3 | Town |
| Double Oak | 22 | 3,054 | 3,063 | 0.1% | 1,249 | 2 | Town |
| Ponder | 23 | 2,969 | 2,459 | 3.7% | 881 | 3 | Town |
| Hackberry | 24 | 2,953 | 2,974 | -0.03% | 4,349 | 1 | Town |
| Copper Canyon | 25 | 2,500 | 1,513 | 7.67% | 538 | 5 | Town |
| Krugerville | 26 | 2,076 | 1,780 | 2.72% | 1,306 | 2 | City |
| Cross Roads | 27 | 2,018 | 1,769 | 2.7% | 299 | 7 | Town |
| Bartonville | 28 | 1,974 | 1,735 | 1.91% | 289 | 7 | Town |
| New Fairview | 29 | 1,732 | 1,359 | 3.96% | 92 | 19 | City |
| Aurora | 30 | 1,698 | 1,394 | 3.35% | 456 | 4 | City |
| Lakewood Village | 31 | 835 | 632 | 4.11% | 1,053 | 1 | City |
| DISH | 32 | 535 | 439 | 1.9% | 338 | 2 | Town |
| Corral City | 33 | 43 | 33 | 4.88% | 281 | 0 | Town |
Denton is the largest city in Denton County, with a population of 175,704.
Corral City is the smallest city in Denton County, with a population of 43.
There are 33 cities in Denton County, Texas.