HomePriceMap tracks 39 counties in Washington. The typical (median) county in the state has a home value of $428,499, which is +85.7% above the U.S. national county median of $230,723. Below are the most expensive and most affordable counties in Washington by current median home value.
County housing-data period: September 2026. County source retrieval/check time (UTC) is recorded in the feed's updated field when available, not in the housing-data period.
City housing-data period: September 2026. City source retrieval/check time (UTC) is recorded in the feed's updated field when available, not in the housing-data period.
Checked daily for new monthly Zillow releases, not new daily prices. Income and crime data are updated separately, not by the daily housing-data check. Unavailable means observation dates are missing or invalid.
This ranks each county by its median home value divided by its median household income — how many years of a typical local income it would take to buy a typical local home. Housing researchers generally treat about 3× income as manageable and 5× or more as severely stretched. Coverage is 39 of 39 tracked counties in Washington; income figures come from the Census Bureau's American Community Survey and home values from Zillow.
Violent crime rates below are a population-weighted average of each county's reporting cities from the FBI's Uniform Crime Reporting Program, covering 31 of 39 tracked counties in Washington. Counties with no FBI-reporting city aren't shown.
HomePriceMap has standalone pages for 118 Washington cities with both a current Zillow home value and enough FBI reporting coverage for a meaningful local profile. Among those tracked cities, the median home value is $576,860.
San Juan County has the highest median home value in Washington at $897,256. This is often searched as the "richest" or "wealthiest" county in Washington — though it's worth being precise about what's being measured here: median home value reflects property prices, not household income or net worth. The two usually correlate, but a county can have expensive homes without having the highest-earning residents, particularly in areas with a lot of vacation or second homes.
King County has the highest median household income in Washington at $124,746. If what you're really after is the "richest" or "wealthiest" county in Washington, this is the closer answer — income measures what households actually earn each year, while home values measure what property costs. Neither is quite the same as wealth, which would also account for savings, investments and property people already own outright.
Garfield County has the lowest median home value of the 39 Washington counties tracked here, at $241,396. Keep in mind that low home prices often reflect limited local job markets, distance from major metro areas, or shrinking population — affordability alone doesn't tell you whether somewhere is a good fit.
The typical (median) county in Washington has a home value of $428,499, against $230,723 for the median U.S. county — roughly 85.7% higher. Figures come from Zillow's monthly Home Value Index; this site checks for new data daily.