Computing and Research Services Geographic Data Sources

U.S. Geographic Data

Census Bureau Maps and Data
American FactFinder
Provides access to data about the United States, Puerto Rico and the Island Areas, from several censuses and surveys
Census Explorer
U.S. Census Bureau's new mapping tool (no direct data download)
ESRI Download Census 2000 Shapefiles
ESRI Data Products
Provides a full spectrum of ready-to-use geospatial data products delivered with the license for ESRI's ArcGIS. At the University of Colorado contact the ITS Software Site Licensing Office
IPUMS Geographic Tools
Boundary files for the most commonly used areas for IPUMS data
National Historical Geographic Information System (NHGIS)
A project to create and freely disseminate a database incorporating all available aggregate census information for the United States between 1790 and 2000
Contextual Data Portal
Ready access to year 2000 U.S. schools and religion data and related geographic data
Social Explorer
Visually display the demographic change that has occurred in the U.S. since 1790 through the present
US County-level data in ICPSR archive:
Only Accessible from an ICPSR member IP addresses. County Characteristics, 2000-2007 [United States] Study No. 20660
National Archive of Criminal Justice Data (NACJD)
NACJD has a collection of spatially referenced data
FBI Crime in the United States, 2005
From Uniform Crime Reports of Offenses Known to Police
National Center for Health Statistics Public-Use Data Files
Data and Statistics
National Center for Education Statistics SDDS
School Districts Demographics System
National Center for Education Statistics CCD
Common Core of Data
US Maps and Data
Your One Stop for Finding and Using Geographic Data Search for federal, state, and local geographic data
US Department of Agriculture: Natural Resources Conservation Service Geospatial Data Gateway Home
Provides One Stop Shopping for natural resources or environmental data
National Library of Medicine-Data from the EPA's Toxic Release Inventory (TRI)
Provides TRI data about specific locations and specific chemicals on the Facilities, Releases and Trends pages (located on the bar under the main menu)
Allows users to search TRI chemical names, CAS Registry Numbers, TRI data years, and/or details about the releasing facility
EPA TRI Explorer
Offers custom reports on Releases, Waste Transfer, and Waste Quantity
EPA Envirofacts
Provides simple and advanced queries and reports for TRI data. Find them on the right under "Advanced Capabilities"
EPA's TRI data site
Gives the user different ways to download Toxic Chemical Release Inventory data
Scorecard Pollution Information Site
Popular resource for information about pollution problems and toxic chemicals
CDC GIS Data Sources
Centers for Disease Control and Prefention GIS data sources
Online databases utilizing a rich ad-hoc query system for the analysis of public health data

World Geographic Data

ESRI Data Products
Provides a full spectrum of ready-to-use geospatial data products delivered with the license for ESRI's ArcGIS. At the University of Colorado contact ITS Software Site Licensing Office
Center for International Earth Science Information Network (CIESIN)
Provides downloadable data in both GIS and non-GIS format
Socioeconomic Data and Applications Center (SEDAC)
SEDAC's mission is to develop and operate applications that support the integration of socieoeconomic and earth science data and to serve as an "information gateway" between the earth sciences and social sciences
Gridded Population of the World (GPW)
In this Gridded Population of the World (GPW) data set, the distribution of human population is converted from national or subnational units to a series of georeferenced quadrilateral grids
FGDC National Geospatial Data Clearinghouse
A collection of over 250 spatial data servers, that have digital geographic data primarily for use in GIS, image processing systems, and other modelling software
GIS Data Depot
Provides free and fee spatial data for many parts of the world
Global Mapping
Created by the International Steering Committee for Global Mapping (ISCGM), provids spatial data in VPF (vector) and BIL (raster) formats. Registration is required for downloading, but all data is free
Global Land Cover Facility (GLCF)
The GLCF develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales
GEO Data Portal
Authoritative source for data sets used by UNEP and its partners in the Global Environment Outlook (GEO) report and other integrated environment assessments with more than 400 variables
UN Food and Agricultural Organization (AQUASTAT)
Contains spatial information related to the field of water resources and irrigation
Africa Data Dissemination Service
The Famine Early Warning Systems Network provides various data and spatial data with the goal of strengthening the abilities of foreign countries and regional organizations to manage risk of food insecurity through the provision of timely and analytical early warning and vulnerability information
Aggregates data from sources such as: Global Administrative Areas
Falling Rain
Global Gazetteer