City of Portland, OregonThis data is maintained by and obtained from Metro GIS. Click the link above to view the Metro GIS metadata for this dataset. This data is maintained by and obtained from Metro Data Resource Center. Please go to https://gis.oregonmetro.gov/rlis-metadata/#/details/155 for the complete metadata. -- Additional Information: Category: Boundary Purpose: For use as a "base" layer on map products to shade county areas and in analysis to capture areas within each county. Update Frequency: None planned -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=155ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/3627329eb30e48ebb805fba36313a394_9engPortlandMaps Open DataPublicCounty Boundaries [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2025-11-08