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County
1984 Community Profiles: A Descriptive Picture of Communities in Allegheny County
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This compilation includes 8 historical datasets, part of the collection of the Pittsburgh University Library System. Prepared by the Health and Welfare Planning... -
County
2020 Census Redistricting Data Extracts (PL 94-171)
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Chris Briem of the University of Pittsburgh Center for Social and Urban Research has been producing extracts from the Census Bureau's PL 94-171 redistricting file....