4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bastrop | 1 | 14,184 | 9,792 | 5.44% | 1,441 | 10 | City |
| Elgin | 2 | 13,756 | 9,802 | 5.03% | 1,896 | 7 | City |
| Smithville | 3 | 4,466 | 4,072 | 1.5% | 1,100 | 4 | City |
| Webberville | 4 | 506 | 403 | 3.48% | 242 | 2 | Village |
Bastrop is the largest city in Bastrop County, with a population of 14,184.
Webberville is the smallest city in Bastrop County, with a population of 506.
There are 4 cities in Bastrop County, Texas.