| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Waxahachie | 1 | 51,860 | 41,602 | 3.53% | 1,043 | 50 | City |
| Midlothian | 2 | 48,834 | 35,469 | 4.61% | 766 | 64 | City |
| Ennis | 3 | 26,829 | 20,219 | 4.42% | 824 | 33 | City |
| Red Oak | 4 | 21,632 | 14,445 | 6.07% | 1,332 | 16 | City |
| Ferris | 5 | 4,634 | 2,812 | 7.99% | 1,000 | 5 | City |
| Palmer | 6 | 2,693 | 2,418 | 1.85% | 873 | 3 | Town |
| Italy | 7 | 2,182 | 1,958 | 1.96% | 1,088 | 2 | Town |
| Maypearl | 8 | 980 | 918 | 1.34% | 1,295 | 1 | City |
| Garrett | 9 | 887 | 845 | 0.8% | 493 | 2 | Town |
| Milford | 10 | 835 | 722 | 2.58% | 339 | 2 | Town |
| Bardwell | 11 | 687 | 627 | 1.63% | 2,252 | 0 | City |
| Alma | 12 | 453 | 370 | 3.19% | 84 | 5 | Town |
Waxahachie is the largest city in Ellis County, with a population of 51,860.
Alma is the smallest city in Ellis County, with a population of 453.
There are 12 cities in Ellis County, Texas.