External Resources

A compilation of some non-Washtenaw County GIS-related resources and applications. Washtenaw County does not endorse these organizations and is not responsible for their websites, data, or your use of them.

Our Neighbors
Wayne County
Oakland County
Jackson County
Livingston County
City of Ann Arbor
City of Detroit
Miscellaneous Resources
A Kids Glossary of Map and GPS Terms
Story Maps Gallery

Data Available
Local Historic AerialsWayne State and DTEAerial imagery for SE Michigan
World Imagery Wayback
ESRIAerial imagery (Check box for only updates with local changes)
Sentinel Explorer
ESRIAerial imagery
EarthExplorerUS Geological SurveyAerial imagery and other rasters
SEMCOG Open Data PortalSoutheast Michigan Council of GovernmentsSoutheast Michigan data, including elevation contours
SEMCOG Map Gallery
Southeast Michigan Council of Governments
Web mapping applications with Southeast Michigan data
State of Michigan GISState of MichiganMichigan data
American FactFinder (old site)
data.census.gov (new site)
US Census BureauUS Census data
MDOT GIS Open DataMichigan Department of TransportationMDOT data
CrimeMapping.com Local law enforcement agencies and TriTech Software SystemsCrime incident data
The National Map
US Geological Survey
US topographic data
TopoViewUS Geological Survey
Historic topographic maps
Mi DriveMichigan Department of TransportationTransportation data for commuters in Michigan
Wetlands Map ViewerMichigan Department of Environmental QualityWetlands and wetland conditions in Michigan
Web Soil SurveyUS Department of AgricultureUS soil data
Environmental MapperMichigan Department of Environmental Quality
Sites of contamination, storage tanks, brownfields, land use restrictions, and more in Michigan
Recreation SearchMichigan Department of Natural ResourcesFind parks, campgrounds, trails, and more in Michigan
Michigan Department of Environmental Quality and Department of Natural ResourcesSurface water in Michigan
GeoWebFaceMichigan Department of Environmental QualityOil, gas, mining, and geologic data for Michigan
MiLocatorState of MichiganLocate points of interest
HIFLD Open DataHomeland Infrastructure Foundation-Level Data SubcommitteeUS data
Geospatial PlatformFederal Geographic Data Committee
US data, variety of resources
ResponseMapping.comLocal public safety agencies and TriTech Software Systems
Public safety incident data (ex. fire departments and EMS) 
AAATA Developer FilesAnn Arbor Area Transportation Authority (TheRide)GIS files of routes and bus stops, API, and GTFS
ESRI Maps for Public PolicyESRIUS community data
CARES Engagement NetworkCenter for Applied Research and Engagement Systems at the University of Missouri
US community data (Economic, Education, Environment, Health, Civic/Social)