Metro Data Resource CenterThe US Census Bureau''s year 1990 census tracts. 1995 and 1997 attributes are included. Tract boundaries are released from the Census Bureau every 10 years. Accessed from IPUMS National Historical Geographic Information System: Version 18.0. Date of last data update: 2024-04-24 This is official RLIS data. Contact Person: Joe Gordon joe.gordon@oregonmetro.gov 503-797-1587 RLIS Metadata Viewer: https://gis.oregonmetro.gov/rlis-metadata/#/details/298 RLIS Terms of Use: https://rlisdiscovery.oregonmetro.gov/pages/terms-of-useArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/e5ecedd245fe42fa8e17d3b194e9a542_0engRLIS DiscoveryPublicCensus Tracts 1990 [Oregon--Portland]Web servicesOregon--PortlandOregon1990