BELLEVUE, Wash. — Washington state's 10 most expensive ZIP codes all are congregated in the same county, a new report finds. King County is home to each of the most expensive areas in the state, data ...

Aerial panorama of Mercer Island to Bellevue and Lake Washington. This area is home to several of the most expensive ZIP codes in Washington. Recent analyses determined the richest cities in states of ...

This map highlights in yellow the nation's Super Zips — those ranking highest on income and college education. The largest collection of Super Zips is around Washington, D.C. A Zip’s ranking is a ...

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 in the U ...