Home values, rents and more in Union County, TN
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open Union County, TN in ProMap- Under $140k
- $140k–$220k
- $220k–$280k
- $280k–$310k
- $310k+
- No data
How Union County, TN compares
The typical home in Union County, TN is worth about $292,000, according to the Zillow Home Value Index for September 2026. Home values in Union County, TN are 20% below the typical value in the Knoxville metro area ($363,000) and 20% below the U.S. typical value ($366,000).
Over the past year, home values in Union County, TN rose 2.4%, compared with +1.9% in the Knoxville metro area and +1.2% nationally.
The median household income is $62,727, against $72,422 in the Knoxville metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 21,450 people live in Union County, TN (Census Bureau estimate for July 2025).
Union County, TN has the 4th-lowest typical home value of the 9 counties in the Knoxville metro area and the 34th-highest of 95 in Tennessee with Zillow figures.
Part of: Knoxville metro area · Tennessee
More for Union County, TN in ProMap Plus
These measures are on the map for subscribers. Open ProMap to see them for Union County, TN and every other place.
- 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 Union County, TN
ZIP codes in Union 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.