Liberty Hill
- County:
- Williamson County
- County Seat:
- No
- Area (mi²):
- 4.634
- State:
- Texas
Liberty Hill is a city located in Williamson County, Texas. Liberty Hill has a 2026 population of 11,984. Liberty Hill is currently growing at a rate of 14.99% annually and its population has increased by 222.84% since the most recent census, which recorded a population of 3,712 in 2020.