GIS 
 Data Sources 

Home arrowResources arrowGIS Data

GIS Data Sources

The following links are sites that offer free GIS data. If you know of a site that should be added to the list, please let us know.

USGS Data

The National Map

Mineral Resources Spatial Data

Water Resources GIS Data

Earth Explorer

Maps, Imagery and Publications


US Census Bureau Data

US Census Bureau

TIGER/Line Shapefiles


ESRI Data Links

ArcGIS Resource Center

ESRI Data


Other National Data

Federal Geographic Data Committee (FGDC) Geospatial Platform

PHMSA National Pipeline Mapping System (NPMS)

Land Survey Information System

NRCS GeoSpatial Data Gateway

USDA Web Soil Survey (WSS)


Corporate GIS Sites with Free Data

National Historical Geographic Information System


Oceanic and Atmospheric Data

National Weather Service GIS Data Portal

National Hurricane Center GIS Data and Products

NGDC Data


International Data

Center for International Earth Science Information Network (CIESIN)

GeoBase: Canadian site for sources of free GIS data

GeoGratis: Canada's National Digital Atlas

Geoscience Australia

Gridded Population of the World

GoGeo GIS Database (UK)