| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crystal City | 1 | 5,777 | 6,351 | -1.6% | 1,575 | 4 | City |
Crystal City is the largest city in Zavala County, with a population of 5,777.
Crystal City is the smallest city in Zavala County, with a population of 5,777.
There is 1 city in Zavala County, Texas.