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GIS Data Sources: Data Sources

Global Data

Online maps and visualization

Download sites

  • Global Administrative Units - Basic boundary maps for the world. Data can be downloaded by country and includes national, state/province, and local administrative units.
  • UNEP Environmental Data Explorer - Excellent source for world environmental data. Over 500 data categories available.
  • US Census International Data Base - Global demographic data available for download. Does not have geographic data, so must be joined to a shapefile or other file with geography.

US Data

Online maps and visualization

Download sites

Esri Data

The university site license for ArcGIS includes US census data captured and formatted by Esri for easy use in GIS. Contact for access.

Data included:

  • Esri 2012/2017 Updated Demographics
  • Esri 2012 Consumer Spending
  • Esri 2012 Tapestry Data
  • 2010 Census Data
  • 2006/2010 American Community Survey (ACS)

Local Data

Montgomery County, MD - Maps and GIS data from the county. Some must be purchased.

Contact the LRC



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Telephone: (301) 295-3350

Rhonda Allard

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Rhonda J. Allard
James A. Zimble Learning Resource Center • 4301 Jones Bridge Rd. Bethesda, MD 20814 • Main Number: 301-295-3189 • AMI Helpdesk: 301-295-3358

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