County of Allegheny, PAThis is an Allegheny County extract of the 2020 US Census Blocks downloaded from the following website: https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-geodatabase-file.html If viewing this description on the Western Pennsylvania Regional Data Center's open data portal ( https://www.wprdc.org ), this dataset is harvested on a weekly basis from Allegheny County's GIS data portal ( https://openac.alcogis.opendata.arcgis.com/ ). The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the "Explore" button (and choosing the "Go to resource" option) to the right of the "ArcGIS Open Dataset" text below. Category: Civic Vitality and Governance Organization: Allegheny County Department: Geographic Information Systems Group; Department of Information Technology Temporal Coverage: current Data Notes: Coordinate System: GCS_North_American_1983 Development Notes: none Other: none Related Document(s): none Frequency - Data Change: 2023 data Frequency - Publishing: one-time Data Steward Name: See https://www.census.gov/geo/about/contact.html for more information. Data Steward Email: See https://www.census.gov/geo/about/contact.html for more information.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/71116e9fc0b740218c040a7c23eb5f08_1engAllegheny County GIS Open DataPublicAllegheny County Census Blocks 2020 [Pennsylvania--Allegheny County]Web servicesPennsylvania--Allegheny CountyPennsylvania2020