3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Columbus | 1 | 3,975 | 3,790 | 0.94% | 1,322 | 3 | City |
| Eagle Lake | 2 | 3,570 | 3,444 | 0.71% | 1,218 | 3 | City |
| Weimar | 3 | 2,225 | 2,068 | 1.41% | 962 | 2 | City |
Columbus is the largest city in Colorado County, with a population of 3,975.
Weimar is the smallest city in Colorado County, with a population of 2,225.
There are 3 cities in Colorado County, Texas.