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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
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... -
State
MD iMAP: Maryland Election Boundaries - Maryland Legislative Districts 2012
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon layer contains the 2012 Maryland State Legislative Districts.Feature... -
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... -
State
CT House Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's House of Representative’s districts based on the latest redistricting process following the 2020 Census.... -
State
CT Congressional Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's congressional districts based on the latest redistricting process following the 2020 Census. More... -
State
2020 Census Block Groups
State of Oregon —
This data layer is an element of the Oregon GIS Framework. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and... -
State
MD iMAP: 2002 US Congressional Districts
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This is a map service of archived political districts in the state of Maryland.... -
City
PA U.S. Congressional Districts
City of Philadelphia —
Boundaries of United States Congressional legislative boundaries for Pennsylvania, according to PA Congressional Redistricting Plan Act 34.This layer was digitized by... -
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... -
City
Jefferson County KY US Congressional Districts
Louisville Metro Government —
This dataset contains polygons and attributes which represent the two U.S. Congressional districts within Jefferson County, KY. The data was generated following the... -
State
CT Senate Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's Senate districts based on the latest redistricting process following the 2020 Census. More information... -
State
MD iMAP: Maryland Election Boundaries - US Congressional Districts 2011
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon layer contains the 2011 United States Congressional Districts in the... -
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... -
State
MD iMAP: 2002 Maryland Legislative Districts
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This is a map service of archived political districts in the state of Maryland.... -
City
Michigan U.S. Congressional Districts, 2010
City of Ferndale, Michigan —
Current State of Michigan, U.S. Congressional district boundaries. This file accurately represents the districts created after the 2010 decennial census. -
State
Connecticut US Congress Districts (2011 - 2020)
State of Connecticut —
Connecticut US Congress Districts Districts is not intended for maps printed at map scales greater or more detailed than 1:100,000 scale (1 inch = 1.578 mile).