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County
Voter Registration by Census Tract
King County, Washington —
This web map displays data from the voter registration database as the percent of registered voters by census tract in King County, Washington. The data for this web... -
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.... -
County
U.S. Congressional Districts
Lake County, Illinois —
Download In State Plane Projection Here. Boundaries for representatives to the U.S. House of Representatives as established by that body. Update Frequency: This... -
County
Allegheny County Municipal Boundaries
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset demarcates the municipal boundaries in Allegheny County. Data was created to portray the boundaries of the 130 Municipalities in Allegheny County the... -
County
Allegheny County Pennsylvania U.S. Legislative Congressional District Boundaries
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset demarcates the U.S. Legislative Congressional district boundaries within Allegheny County. This data was extracted for Allegheny County from the League... -
County
Political Boundaries Data Dictionary
Lake County, Illinois —
An in-depth description of the various Political Boundaries GIS data layers outlining terms of use, update frequency, attribute explanations, and more. District data...