King CountyFor more information about this layer please see the GIS Data Catalog . Delineates area participating in the Unincorporated Area Council. Unincorporated Area Councils are formed where King County citizens want to have a high level of participation in their municipal government. Comes from parcels and city boundaries.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/2dc186d5809f463e8d30c4d0c1ccfe62_0engKing County GIS Open DataPublicUnincorporated Area Councils [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2025-07-24