7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kingsland | 1 | 7,336 | 7,177 | 1.2% | 811 | 9 | CDP |
| Horseshoe Bay | 2 | 5,451 | 4,286 | 4.47% | 380 | 14 | City |
| Llano | 3 | 3,660 | 3,368 | 1.61% | 691 | 5 | City |
| Buchanan Dam | 4 | 1,213 | 1,411 | -1.62% | 157 | 8 | CDP |
| Sunrise Beach Village | 5 | 817 | 744 | 1.74% | 484 | 2 | City |
| Buchanan Lake Village | 6 | 492 | 808 | -2.57% | 331 | 1 | CDP |
| Tow | 7 | 185 | 152 | 6.94% | 102 | 2 | CDP |
Kingsland is the largest city in Llano County, with a population of 7,336.
Tow is the smallest city in Llano County, with a population of 185.
There are 7 cities in Llano County, Texas.