Home values, rents and more in Williamson County, TN
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
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How Williamson County, TN compares
The typical home in Williamson County, TN is worth about $916,000, according to the Zillow Home Value Index for September 2026. Home values in Williamson County, TN are 2.0 times the typical value in the Nashville metro area ($449,000) and 2.5 times the U.S. typical value ($366,000).
Over the past year, home values in Williamson County, TN rose 2.9%, compared with −0.5% in the Nashville metro area and +1.2% nationally.
Typical rent is $2,122 a month (Zillow Observed Rent Index), 18% above the Nashville metro area ($1,803) and 10% above the U.S. ($1,932). Rents rose 0.7% over the past year.
The median household income is $135,594, against $85,447 in the Nashville metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 272,061 people live in Williamson County, TN (Census Bureau estimate for July 2025).
Williamson County, TN has the highest typical home value of the 14 counties in the Nashville metro area and the highest of 95 in Tennessee with Zillow figures.
Part of: Nashville metro area · Tennessee
More for Williamson County, TN 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, TN
ZIP codes in Williamson County, TN
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.