| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Forney | 1 | 45,330 | 23,709 | 8.81% | 2,828 | 16 | City |
| Terrell | 2 | 25,217 | 17,830 | 5.42% | 760 | 33 | City |
| Kaufman | 3 | 11,318 | 7,393 | 5.61% | 1,162 | 10 | City |
| Crandall | 4 | 8,233 | 3,895 | 6.51% | 1,170 | 7 | City |
| Talty | 5 | 3,465 | 2,534 | 5.03% | 1,022 | 3 | Town |
| Oak Ridge | 6 | 1,840 | 795 | 10.11% | 508 | 4 | Town |
| Poetry | 7 | 1,585 | 1,349 | 2.79% | 381 | 4 | Town |
| Kemp | 8 | 1,525 | 1,126 | 4.96% | 687 | 2 | City |
| Post Oak Bend | 9 | 1,039 | 693 | 6.24% | 513 | 2 | City |
| Scurry | 10 | 950 | 695 | 4.97% | 493 | 2 | Town |
| Oak Grove | 11 | 938 | 662 | 5.63% | 470 | 2 | Town |
| Grays Prairie | 12 | 439 | 328 | 4.77% | 359 | 1 | Village |
| Rosser | 13 | 428 | 308 | 5.16% | 224 | 2 | Village |
| Cottonwood | 14 | 273 | 185 | 5.81% | 189 | 1 | City |
Forney is the largest city in Kaufman County, with a population of 45,330.
Cottonwood is the smallest city in Kaufman County, with a population of 273.
There are 14 cities in Kaufman County, Texas.