MassGIS Data Layers

Each digital dataset name below links to a complete datalayer description. On each page you will find metadata and links to free data download.
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The date below the datalayer name on each page represents the month and year of the most recent update (or when the data first appeared in MassGIS' database). If you need more details, especially at the feature level, you will find contact information in the Maintenance section of each page.

See the Data Overview for data attribution and citation language and the spatial reference of our data. 

>> Request to download statewide vector dataset
(Shapefiles or File Geodatabase; includes MassGIS Dataviewer Toolbar files)

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Vector Data

Census/Demographic Data 

Coastal and Marine Features


Cultural Resources

Environmental Monitoring




Other Facilities and Structures

Physical Resources

Land Use/Land Cover, Geological/Geophysical, Atmospheric

Elevation and Derived Products

Inland Water Features

Political/Administrative Boundaries

Regulated Areas