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Home values, rents and more in Union, WA

September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07

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Typical home value
$512,000
Metro: $447,000 · U.S.: $366,000
Home values, past year
+0.2%
Metro: +0.2% · U.S.: +1.2%
Population
457
ACS 2020–24
ZIP codes around Union, WA, shaded by typical home valueUnion
  • Under $420k
  • $420k–$430k
  • $430k–$450k
  • $450k–$480k
  • $480k+
  • No data
ZIP codes around Union, WA, shaded by typical home value (Zillow, ZIP codes). Dashed lines are county borders. Union is outlined.

How Union compares

The typical home in Union, WA is worth about $512,000, according to the Zillow Home Value Index for September 2026. Home values in Union are 15% above the typical value in the Shelton metro area ($447,000) and 40% above the U.S. typical value ($366,000).

Over the past year, home values in Union rose 0.2%, compared with +0.2% in the Shelton metro area and +1.2% nationally.

About 457 people live in Union (American Community Survey 2020–24).

Union has the 3rd-highest typical home value of the 6 cities in the Shelton metro area and the 141st-highest of 342 in Washington with Zillow figures.

Part of: Mason County, WA · Shelton metro area · Washington

More for Union 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
  • Crime rates
  • Homeowners insurance premiums
  • Commute time to downtown
  • Flood, wildfire and natural hazard risk
  • Property-tax rate
  • 2024 presidential vote
  • Age, education and household make-up
  • Amenities and transit nearby
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Nearby cities

ZIP codes in Union, WA

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.

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