Home values, rents and more in Williamson County, TX
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
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How Williamson County, TX compares
The typical home in Williamson County, TX is worth about $395,000, according to the Zillow Home Value Index for September 2026. Home values in Williamson County, TX are 5% below the typical value in the Austin metro area ($414,000) and 8% above the U.S. typical value ($366,000).
Over the past year, home values in Williamson County, TX fell 4.8%, compared with −4.3% in the Austin metro area and +1.2% nationally.
Typical rent is $1,625 a month (Zillow Observed Rent Index), about the same as the Austin metro area ($1,603) and 16% below the U.S. ($1,932). Rents rose 2.1% over the past year.
The median household income is $111,340, against $100,431 in the Austin metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 752,827 people live in Williamson County, TX (Census Bureau estimate for July 2025).
Williamson County, TX has the 2nd-highest typical home value of the 5 counties in the Austin metro area and the 16th-highest of 243 in Texas with Zillow figures.
Part of: Austin metro area · Texas
More for Williamson County, TX in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in Williamson County, TX
ZIP codes in Williamson County, TX
- 76527 · Florence $530,000
- 76530 · Granger $311,000
- 76537 · Jarrell $251,000
- 76574 · Taylor $277,000
- 76578 · Thrall $363,000
- 78613 · Cedar Park $452,000
- 78615 · Coupland $528,000
- 78626 · Georgetown $344,000
- 78628 · Georgetown $469,000
- 78633 · Georgetown $436,000
- 78634 · Hutto $328,000
- 78642 · Liberty Hill $486,000
- 78664 · Round Rock $328,000
- 78665 · Round Rock $390,000
- 78681 · Round Rock $473,000
- 78717 · Austin $548,000
- 78729 · Austin $420,000
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.