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GIS Data and Apps : Government

Dept. of Agriculture

Geospatial Data - Boundary and shape files 

USDA Geospatial Data ‚Äč- Boundary and shape files, data layers

Data Visualizations - Charts, graphs and maps with agricultural themes 

Snap Data Atlas  - Supplemental Nutrition Assistance Program (Food Stamps) 

Farm Program Atlas - an array of public data on Federal farm programs that will allow users to visually explore a core component of U.S. agricultural policy. These programs assist farmers in sustaining and promoting the viability of their farm businesses or in protecting and enhancing the environment. 

Food Access Research Atlas Provides food access data for populations within census tracts

ERS Map Service  - boundary and shape files for the various food atlases listed in this section. 

Census of Agriculture - mapping tool for visualizing Census of Agriculture data. 

Population Interaction Zones for Agriculture  - datasets and shapefiles formatted for ESRI

Dept. of Commerce - Census

American Factfinder - tabulate and map data from the the latest decennial censuses and American Community Surveys.

Census Data Mapper - scaled down version of the mapping that is available in American Facffinder.

Cartographic Boundary Shapefiles - boundary and shapefiles for all Census geographies

Colorado 2010 Census Block Maps  -  in pdf. 

School District Boundaries  - TIGER/Line files


Dept. of Commerce

National Weather Service GIS Portal - boundary and shape files

Dept. of Defense

U.S. Army Corps of Engineers Geospatial Center - ordering information for Army map products

Dept. of Health and Human Services

Environmental Health Webmaps - Mapping tool maintained by the Agency for Toxic Substances and Diseases Registry


Geospatial Research, Analysis and Service Program (GRASP)


ATSDR Substances Map


Dept. of Justice

Environmental Protection Agency

Geospatial Resources at the EPA

  • Enviromapper - a single point of access to select U.S. EPA environmental data. This Web site provides access to several EPA databases to provide you with information about environmental activities that may affect air, water, and land anywhere in the United States. With Envirofacts, you can learn more about these environmental activities in your area or you can generate maps of environmental information.
  • MyEnvironment  - MyEnvironment provides immediate access to a cross-section of environmental data for any geographical location in the U.S.
  1. Enforcement and Compliance History Online (ECHO) - search for facilities in your community to assess their compliance with environmental regulations. You can also investigate pollution sources, examine and create enforcement-related maps, or explore your state's performance.

Housing and Urban Development

Dept. of Transportation