| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Post | 1 | 3,181 | 4,782 | -8.96% | 849 | 4 | City |
Post is the largest city in Garza County, with a population of 3,181.
Post is the smallest city in Garza County, with a population of 3,181.
There is 1 city in Garza County, Texas.