Identifiers: city · CDP · village
| Rank | Community | Population |
|---|---|---|
| 1 | Austin (city), TX | 961,855 |
| 2 | Cedar Park (city), TX | 77,595 |
| 3 | Lakeway (city), TX | 19,189 |
| 4 | Steiner Ranch (CDP), TX | 16,713 |
| 5 | Bee Cave (city), TX | 9,144 |
| 6 | Belterra (CDP), TX | 6,170 |
| 7 | Shady Hollow (CDP), TX | 4,822 |
| 8 | Dripping Springs (city), TX | 4,650 |
| 9 | Hudson Bend (CDP), TX | 4,005 |
| 10 | West Lake Hills (city), TX | 3,444 |
| 11 | Barton Creek (CDP), TX | 3,356 |
| 12 | The Hills (village), TX | 2,613 |
| 13 | Manchaca (CDP), TX | 2,266 |
| 14 | Briarcliff (village), TX | 2,062 |
| 15 | Rollingwood (city), TX | 1,467 |
| 16 | Lost Creek (CDP), TX | 1,276 |
| 17 | Sunset Valley (city), TX | 683 |
| 18 | Volente (village), TX | 561 |
| 19 | San Leanna (village), TX | 522 |
| 20 | Bear Creek (village), TX | 397 |