Grant County, WashingtonCorporate City Limits of Grant County. This feature class contains annexations and vacations of the cities within Grant County since the original articles of incorporation. An incorporated city is a legally defined government entity, with powers delegated by the state and county and created and approved by the voters of the city. It can provide local government services to its citizens.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/ee37e1753d254ccfa4152fce6064196e_0engGrant County Open Data PortalPublicMunicipal Annexations [Washington (State)--Grant County]Web servicesWashington (State)--Grant CountyWashington (State)Last Modified: 2025-07-17