And of the top 20 wealthiest zip codes in the state, all 20 have an average income of more than $130,000. The average income is calculated as an average of all the tax returns from each zip code.

One Washington ZIP code made the 2021 list of the most expensive ZIP codes in the country. The ZIP code — 98039 — located in Medina, took the No. 10 spot on the list of the priciest ZIP codes ...

Bellevue’s 98004 zip code ranked 88th with a median price of $1.9 million, and Sammamish’s 98075 zip code 90th with a median price of $1.87m to round out Washington’s top 100 entries.

Washington’s most affluent zip codes this year are all on King County’s Eastside, according to a study from PropertyShark. The study was compiled by calculating median home sale prices based ...

For each state, the maps lists the top three wealthiest zip codes based on adjusted income figures from the IRS. The number at the top right indicates how many tax returns were filed in the zip ...

And of the top 20 wealthiest zip codes in the state, all 20 have an average income of more than $130,000. The average income is calculated as an average of all the tax returns from each zip code.