4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Odessa | 1 | 120,951 | 114,934 | 1% | 2,331 | 52 | City |
| West Odessa | 2 | 32,953 | 26,117 | 2.12% | 530 | 62 | CDP |
| Gardendale | 3 | 1,353 | 1,389 | -1.1% | 118 | 11 | CDP |
| Goldsmith | 4 | 227 | 236 | -0.87% | 701 | 0 | City |
Odessa is the largest city in Ector County, with a population of 120,951.
Goldsmith is the smallest city in Ector County, with a population of 227.
There are 4 cities in Ector County, Texas.