King CountyFor more information about this layer please see the GIS Data Catalog . This data layer describes the current boundaries of the Washington State Congressional districts within King County and reflects updates based on the 2021 redistricting of Washington State and the adopted final amended plan on February 8, 2022.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/650cbcec3cec41e79c16c3d711859d74_0engKing County GIS Open DataPublicCongressional Districts in King County [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2025-11-25