GIS and Geospatial Data

This guide provides information on GIS software and training/classes available at the University of Arizona, where to find geospatial data and interactive maps.     

For assistance with GIS software or finding geospatial data, contact Chris Kollen.  or Ben Hickson in the Library

Additional spatial data is available from the Spatial Data Sets page available through the University of Arizona Libraries.

Geospatial Data and Online Maps  GIS and Public Health  GIS Software and Services


Arizona  Mexico  United States  International



Spatial Data Explorer -- discover, preview and download spatial data of Arizona, the US and other countries in shapefile GeoTIFF, or KMZ.

Arizona Digital Sanborn Maps (UA only) – detailed maps of Arizona cities and towns showing building outlines, construction materials, heights, function street names, street widths, building use and house of block numbers. Dates available for each city or town varies. Coverage: 1886-1949.

Business Analyst Online (UA only): on-demand analysis, presentation-ready reports, and maps of demographic, consumer spending, and business data. The UA has access through ArcGIS Online.We also have access to Business Analyst  Desktop. Contact Andrew Honaman or Tawny Lochner for log-in information.

Community Analyst (UA only):  on-demand analysis, presentation-ready reports and maps of demographic, health, crime, and business data. The UA has access through ArcGIS Online to Community Analyst. Contact Andrew Honaman or Tawny Lochner for log-in information.

Pima Association of Government (PAG) Orthophotography and LiDAR Imagery Data 1998-2015 (UA only): Provides access to Pima County orthophotography from 1998-2015 and Pima County LiDAR data from 2005-2015.

Arizona Land Resource Information System (ALRIS): Online map services (Land Ownership maps) and GIS data.

Arizona State Cartographers Office (AZGEO) – provides access to Arizona Map Viewer, Arizona Imagery Server, Arizona GeoServer Viewer, and Arizona Ramona GIS Inventory. 

Bureau of Land Management (Arizona): Provides access to geospatial data as ArcInfo coverages (.e00), survey plats and field notes, and GPS data.

Conservation Science (The Nature Conservancy): Provides access to geospatial data and documents generated by the Nature Conservancy's Conservation Science Program. 

EarthExplorer: Download satellite imagery (various Landsat missions and others), DRGs, DOQQs, and DEMs. 

Maricopa County Flood Control – provides access to Maricopa County's digital flood plains and aerial orthophotos.

Maricopa County GIS Portal – interactive mapping sites for Planning and Development, Flood Control, Assessor, Elections/Recorder, and Survey.

Maricopa County Planning and Development – provides easy access to the information and maps associated with the zoning, annexations, floodplain and other delineations within Maricopa County.

National Elevation Datasets (NED) Map Services: Download various National Elevation Datasets. For information about the National Elevation Datasets, see

Pima County GIS: Provides access to Pima County GIS data and maps, such as parcel, street, and wildland fire maps. Also contains links to other local GIS maps such as the Pima County Assessor maps, Floodplain maps, and Subdivision Plat maps. 

Santa Rita Experimental Range (SRER): Provides maps, photographs, charts, reports, and metadata pertaining to SRER studies on vegetation, precipitation, grazing, soil, water, and more.

Sonoran Desert Conservation Plan Maps – includes maps you can view or print and a link to the Sonoran Desert Conservation Plan interactive map.

Southwest Regional Gap Analysis Program: Provides access to land cover, stewardship data, animal habitat models, Landsat EMT+, geology, landform, and regional analysis.

U.S. Department of Agriculture Geospatial Data Gateway: Download NAIP imagery.

Yavapai County GIS Interactive Mapping

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Mexico 1:50,000 Scale Vector Data Viewer (UA only): Provides access to geospatial data for the Mexican states of Baja California Norte, Sonora, and Chihuahua. View and extract 85 map layers (as shapefiles, or AutoCad files) for Baja California Norte, Sonora, and Chihuahua.

Mexico Geospatial Data: A good source for free data of Mexico. Includes geospatial data of census block boundaries; electoral boundaries (secciones, distritos), geostatistical infrastructure data (such as elevation contours, rivers, archaeological sites etc.) provided by an individual.

INEGI (Instituto Nacional de Estadistica y Geografia) – provides access to interactive maps.   

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United States and International

ArcGIS Online: Share, find, and use GIS content across the Web; access free maps and reference layers; find, purchase and download imagery into ArcGIS. The UA has an institutional license. Contact Andrew Honaman at or Tawny Lochner at

Sanborn Maps Geo Edition (UA only): Use Sanborn maps with GIS information to locate data by address or geographic coordinates and layer maps from different years and over modern street, satellite, and hybrid layers using an integrated map API or importing into GIS tools. Covers Baltimore, Md.; Boston; Charlotte, N.C.; Chicago; Detroit; Los Angeles; Miami; New York City; Newark, N.J.; Philadelphia; Richmond, Va.; and Seattle.

Social Explorer (public access and UA only) – provides easy access to current and historical census data and demographic information for the United States through maps and customized reports. Also includes data from the 1980-2000 Religious Congregations and Membership Study. Data used in Social Explorer is available from the National Historic GIS.

National Historical GIS: Provides aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2010. Data is used in Social Explorer.

American FactFinder – Bureau of the Census site for 1990- 2010 census data, and the American Community Survey from 2000-on.

Basins (U.S. Environmental Protection Agency): Download data for performing watershed and water quality based studies.

EPA MyEnvironment – Environmental maps and information for a particular area.  You can search by address, zip, city, county, waterbody, or park name. 

EROS Center (U.S. Geological Survey): Includes aerial photography, satellite imagery, elevation data, land cover data, digitized maps, and image gallery collections.

GeoCommunicator (U.S. Bureau of Land Management): Provides searching, accessing and dynamic mapping of data for federal land stewardship, land and mineral use records, and land survey information.

Land Survey Information (U.S. Bureau of Land Management): Geographic information from the BLM's Geographic Coordinate Data Base (GCDB) representing the Public Land Survey System (PLSS) of the United States.

LandScan 2013 (UA only): Global population database, showing the ambient population distribution produced by an algorithm that incorporates sub-national census reports, satellite imagery, and local knowledge. View and download the data through the interactive web interface or in ArcGIS via WMS or WCS GIS server connection.

National Hydrography Dataset (U.S. Geological Survey and Environmental Protection Agency)

National Map (U.S. Geological Survey): Includes data on boundaries, elevation, ortho-imagery, land use, land cover, transportation, geographic names, hydrography, and structures. The data can be downloaded for use in GIS software in shapefile format.

National Resource Conservation Service (NRCS) Maps, Imagery, Data, & Analysis

School Attendance Boundary Information Systems (SABINS): Provides geospatial data for school attendance boundaries and census data for school attendance boundaries. 

SocioEconomic Data and Application Center (SEDAC): Includes Gridded Population of the World (ver. 3), Global Distribution of Poverty, and Last of the Wild (ver. 2). 

Wildfire Information - GeoMAC (Geospatial Multi-Agency Coordination Group)

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Last modified: January 8, 2016