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GIS for Political Science: Data

A guide to resources and applications of GIS in Political Science

United States

U.S. Congress

United States Congressional District Shapefiles  This site provides digital boundary definitions for every U.S. Congressional District in use between 1789 and 2015.

U.S. Census Bureau

Maps and Data Find geographic data and products such as the TIGER/Line Shapefiles, KMLs, TIGERweb, cartographic boundary files, geographic relationship files, and reference and thematic maps.

MIT Elections Lab

Maryland and Baltimore

  • Open Baltimore Contains statistics and other data recorded and distributed by the City of Baltimore.  GIS data is  can be directly accessed HERE 
  • Baltimore Open City GIS Data is Baltimore's public platform for exploring and downloading open data, discovering and building apps, and engaging to solve important local issues.  Analyze and combine Open Datasets using maps, as well as develop new web and mobile applications. 

  • Maryland OpenData Main portal for Statewide data on a wide range of themes.
  • MD iMap Main portal for state wide spatial data on a  wide range of themes.

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