Liberty Hill, TX ZIP code
The ZIP code for Liberty Hill, Texas is 78642. It is in Williamson County.
- Population in these ZIPs
- 26,434
- Avg. median income
- $133,000population-weighted
- Typical home value
- $485,700population-weighted
- Metro area
- Austin-Round Rock-San Marcos, TX
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Liberty Hill, TX ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 78642 | 26,434 | $132,958 | $485,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Liberty Hill
- Bertram 8 mi
- Leander 12 mi
- Florence 13 mi
- Georgetown 14 mi
- Cedar Park 15 mi
- Briggs 16 mi
- Marble Falls 18 mi
- Round Rock 19 mi
- Weir 20 mi
- Spicewood 21 mi
- Jarrell 22 mi
- Burnet 22 mi
Frequently asked questions
What is the ZIP code for Liberty Hill, TX?
The ZIP code for Liberty Hill, TX is 78642.
What county is Liberty Hill, Texas in?
Liberty Hill ZIP codes are in Williamson County.