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GIS for Maryland and Baltimore: Other Municipalities

A guide to resources on GIS and other spatial data for Maryland including Baltimore City

Maryland Counties

Counties listed here have a central geo-spatial (GS) data port where vector and occasionally raster data can be downloaded for free.  Data topics vary by county but generally contain things like infrastructure, building footprints, administrative lines, fire and police stations, and other topics of a municipal character.

Allegany County  main GIS page

Allegany County LiDAR

Anne Arundel County  main GIS page* 

Baltimore County  main GIS page*

Calvert County  main GIS page*

Caroline County LiDAR

Carroll County main GIS page*

Cecil County main GIS page*

Charles County main GIS page

Frederick County main GIS page*

Garrett County main GIS page*

Harford County main GIS page*

Montgomery County main GIS page*

Prince George's County main GIS page*

Queen Anne's County main GIS page*

Saint Mary's County main GIS page*

Other County Links

Counties Listed here do not typically provide shapefiels or rasters, but do have mapping tools.

Allegany County Interactive maps.

Caroline County LiDAR dataset available through ArcGIS.

Charles County An intereactive platform to visualize selected attributes and generate maps. No geoprocessing or analytic functions are available and data can not be extracted or downloaded. 

Dorchester County Describes processes for obtaining data and associated costs.

Howard County Attribute data, interactive overlays map and ready-to-print maps.

Kent County Mapping Tools

Somerset County

Talbot County  Interactive Land Use and Flood Risk Maps

Washington County Describes processes for obtaining data and associated costs.

Wicomico County Ready-to-print maps

Worcester County  Some maps.

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