Estimate of Median Household Income for King County, WA was 116044.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Estimate of Median Household Income for King County, WA reached a record high of 116044.00000 in January of 2022 and a record low of 37030.00000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of Median Household Income for King County, WA - last updated from the United States Federal Reserve on May of 2024.