Welcome to the Maryland's Mapping & GIS Data Portal

One Maryland - One Map

Our Mission is to:
1) Improve the quality and lower the cost of services, through collective investment in and effective application of geographic data and systems and

2) The Maryland Geographic Information Office (GIO) will reach beyond government by making data freely and publicly available to the fullest extent possible in consideration of privacy and security.


Energy MD Map Critical Area Map

What is MD iMap?

The Maryland Integrated Map (MD iMap) is an enterprise statewide mapping system that supports the efforts of Maryland agencies and local governments in providing services to Marylanders and in tracking progress towards strategic policy goals.

The Vision of MD iMap​

DNR Logo MD Department of IT Logo 

Office of Governor

MD iMap in the News

New application template announced at TUgis 2013. Code available for download at mdgio/iMap on GitHub.

More News...

Service Alerts

  • No service alerts at this time

Upcoming Events

  • MD iMap Technical Committee Meetings are held on the 1st or 3rd Tuesdays from 1:00 - 3:00 at MDE.
  • MD iMap Executive Committee Meeting scheduled for June 26, 2013 @ MDOT Headquarters.
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