2 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Stephenville | 1 | 22,663 | 21,114 | 1.15% | 1,871 | 12 | City |
| Dublin | 2 | 3,491 | 3,368 | 0.61% | 973 | 4 | City |
Stephenville is the largest city in Erath County, with a population of 22,663.
Dublin is the smallest city in Erath County, with a population of 3,491.
There are 2 cities in Erath County, Texas.