Puget Sound Regional CouncilThe city boundaries are updated on a quarterly basis using annexation information from OFM ( https://ofm.wa.gov/washington-data-research/annexations-and-municipal-boundary-changes) . VISION 2050 regional geography classifications were added to the dataset in 2020.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/4ba063ea8b6145b889c62c9a60ba80f8_0engPuget Sound Regional Council Data PortalPublicCities points6 [Washington (State)--Puget Sound Region]Web servicesWashington (State)--Puget Sound RegionWashington (State)Last Modified: 2025-06-16