12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Waxahachie | 1 | 50,366 | 41,619 | 3.6% | 1,013 | 50 | City |
| Midlothian | 2 | 46,243 | 35,545 | 4.85% | 725 | 64 | City |
| Ennis | 3 | 25,888 | 20,212 | 4.59% | 795 | 33 | City |
| Red Oak | 4 | 20,605 | 14,402 | 6.4% | 1,269 | 16 | City |
| Ferris | 5 | 4,545 | 2,818 | 8.21% | 980 | 5 | City |
| Palmer | 6 | 2,673 | 2,413 | 1.98% | 867 | 3 | Town |
| Italy | 7 | 2,173 | 1,958 | 2.02% | 1,084 | 2 | Town |
| Maypearl | 8 | 983 | 921 | 1.24% | 1,299 | 1 | City |
| Garrett | 9 | 886 | 843 | 0.91% | 493 | 2 | Town |
| Milford | 10 | 820 | 722 | 2.37% | 333 | 2 | Town |
| Bardwell | 11 | 681 | 626 | 1.64% | 2,233 | 0 | City |
| Alma | 12 | 435 | 365 | 3.33% | 81 | 5 | Town |
Waxahachie is the largest city in Ellis County, with a population of 50,366.
Alma is the smallest city in Ellis County, with a population of 435.
There are 12 cities in Ellis County, Texas.