MassGIS Data Layers

The date below the data layer name on each page represents the month and year of the most recent update. For more details, especially at the feature level, see the contact information in the Maintenance section of each page.

See the Data Overview for attribution, citation language and spatial reference information.

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(Shapefiles or File Geodatabase; includes MassGIS Dataviewer Toolbar files. Does not include Parcels, Address Points, 2016 Landuse/Landcover or 5K Contours)

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Census/Demographic Data

• 2020 Environmental Justice Populations (Updated 11/14/2022)
• Datalayers from the 2010 U.S. Census
• Datalayers from the 2000 U.S. Census
• Datalayers from the 1990 U.S. Census

Blocks, Block Groups, Tracts and their associated tables, and TIGER Roads for all years.
For 2000 and 2010, additional derived datasets include:
- Environmental Justice Populations
- Hydrography
- Municipal Boundaries

Coastal and Marine Features

• Bathymetry of the Gulf of Maine
• Bathymetry (Offshore - 1:250,000)
• Coastal Barrier Resource Units
• Coastline (1:25,000)
• CZM MORIS layers
• Designated Shellfish Growing Areas
• MA DMF Lobster Harvest Zones
• Hurricane Surge Inundation Zones
• Marine Beaches
• The Massachusetts Coastal Zone
• Massachusetts Geographic Response Plan
• MassDEP Eelgrass Mapping Project
• NOAA Sea Level Rise (New! 4/23/2021)
• Ocean Mask
• Shellfish Suitability Areas
• State Designated Barrier Beaches
• Stellwagen Bank National Marine Sanctuary
• Tidelands Jurisdiction (Chapter 91)

Conservation/Recreation

• Areas of Critical Environmental Concern
• Bicycle Trails
• Community Preservation Act (CPA) Projects (Updated 4/18/2022)
• Community Preservation Act (CPA) Towns (Updated 4/28/2022)
• Forest Stewardship Program Properties
• DCR Roads and Trails
• Long Distance Trails
• Office of Fishing and Boating Access Sites (Updated 11/15/2022)
• Protected and Recreational Open Space (Updated 8/24/2022)
• Tracks and Trails
• BioMap: The Future of Conservation (Updated 11/17/2022)
• NHESP Priority Habitats of Rare Species
• NHESP Estimated Habitats of Rare Wildlife
• NHESP Certified Vernal Pools
• NHESP Potential Vernal Pools
• NHESP Natural Communities

Cultural Resources

• MHC Historic Inventory (Updated 11/3/2022)

Environmental Monitoring

• MassDEP Water Quality Monitoring Stations
• Shellfish Sampling Stations
• Stream-Gaging Stations
• USGS Data-Collection Stations

Image Data

Ortho Imagery (Aerial Photography)

View 2 of these vintages side by side

• 2021 Aerial Imagery (New! 1/28/2022)
• 2019 Aerial Imagery
• 2015 Satellite Imagery
• 2013/2014 Aerial Imagery
• 2011/2012 Aerial Imagery
• 2008/2009 Aerial Imagery
• 2005 Aerial Imagery
• 2001/2003 Aerial Imagery
• 1994 Coastal Aerial Imagery
• 1990's Aerial Imagery

Scanned Reference Maps

• USGS Topographic Quadrangle Images
• USGS Historical Coastal Topographic Map Image
• NOAA  Navigational Charts

Elevation

• LiDAR Terrain Data
• Lidar DEM and Shaded Relief (New! 1/5/2022)

Environmental Analysis

• Crop Evapotranspiration and Potential Evaporation Grids
• Impervious Surface(2005)
• Modeled Wind Speed Grids

Indexes

• 2021 Aerial Imagery Index (New! 1/28/2022)
• 2019 Aerial Imagery Index
• 2015 Satellite Imagery Indexes
• 1994 Coastal Aerial Imagery Index
• Coastal Zone Tiling Index
• Aerial Imagery Index (1990s, 2001/2003, & 2005)
• Latitude-Longitude Grids
• LiDAR Terrain Data Index
• 2008/2009 Aerial Imagery Indexes
• 2013/2014 Aerial Imagery Indexes
• USGS Quadrangle Template (Digital Data)
• USGS Quadrangle Template (Topographic Maps)
• UTM Grid and Points

Infrastructure

Transportation

• Airports
• Boston Harbor Water Taxi Stops
• Census 2000 TIGER Roads
• Census 2010 TIGER Roads
• Ferry Routes
• Highway Mile Markers
• Limited Access Highway Exits
• MassDOT Roads (Updated 5/9/2022)
• MBTA Bus Routes and Stops
• MBTA Parking Lots
• MBTA Rapid Transit (Updated 12/29/2021)
• Park and Ride Lots
• RMV Locations
• Seaports
• Trains (and MBTA Commuter Rail) (Updated 4/6/2022)

Other Facilities and Structures

• Acute Care Hospitals
• Non-acute Care Hospitals
• Aqueducts
• Building Structures (2-D) (Updated 9/21/2022)
• Colleges and Universities
• Community Health Centers
• Courthouses
• Dams
• DCR Pools
• Farmers' Markets
• Fire Stations (Updated 9/14/2022)
• Ice Rinks
• Libraries
• Lighthouses
• Long Term Care Residences
• Master Address Data (Updated Continually)
• MWRA Water/Sewer Service Areas
• Places of Worship (Updated 7/1/2022)
• Police Stations (Updated 5/25/2022)
• Prisons
• Public Utility Service Providers (Updated 11/30/2021)
• Public Water Supplies (Updated 11/3/2022)
• Schools (Pre-K through High School) (Updated 5/17/2022)
• Survey Control
• Town and City Halls
• Transmission Lines

Physical Resources

Land Use/Land Cover, Geological/Geophysical, Atmospheric

• Aquifers
• Bedrock Lithology
• Interior Forest
• Land Cover/Land Use (2016)
• Land Use (2005)
• Land Use (1951-1999)
• Land Use Summary Statistics
• Soils SSURGO-Certified NRCS (Updated 11/23/2021)
• Outstanding Resource Waters
• Prime Forest Land
• Priority Natural Vegetation Communities
• Surficial Geology (1:24,000) (Updated 7/27/2022)
• Surficial Geology (1:250,000)
• U.S. EPA Designated Sole Source Aquifers 
• U.S. EPA Ecoregions
• Wind Power Density at 50m

Elevation and Derived Products

• Breaklines (1:5,000)
• Breaklines and Mass Points (2005)
• Contours (1:5,000)
• Contours (1:250,000)
• Digital Terrain Model (DTM) Files
• Elevation Points (1:5,000)
• All Vector Elevation Files (above)

Inland Water Features

• Drainage Sub-basins
• Inland Water Bathymetry (1:10,000)
• Quabbin Reservoir Bathymetry
• MA Wildlife Coldwater Fisheries Resources (Updated 9/14/2022)
• Major Drainage Basins
• Major Watersheds
• MassDEP Hydrography (1:25,000)
• MassDEP Wetlands (2005)
• MassDEP Wetlands Original (1:12,000)
• MassDEP Wetlands (1:12,000) Change
• MassDEP Wetlands (2005) Human Altered Areas
• Mega Basins
• National Wetlands Inventory
• Networked Hydro Centerlines
• NRCS HUC Basins (8, 10, 12)
• Surface Water Supply Watersheds
• USGS Hydrography (1:100,000)
• USGS Major Ponds and Major Streams

Political/Administrative Boundaries

• Municipalities (Updated 4/27/2022)
• Municipalities in Adjacent States
• Atlantic Canadian Provinces
• Community Health Network Areas
• Counties (Updated 4/28/2022)
• CZM Regions (Updated 4/27/2022)
• DCR Mass Parks Regions
• DCR Service Forestry Districts (New! 2/3/2022)
• DFS State Fire Districts (Updated 4/27/2022)
• DFS State HazMat Districts (Updated 4/27/2022)
• Division of Fisheries and Wildlife Districts (Updated 4/27/2022)
• Emergency Medical Services Regions (Updated 4/27/2022)
• Emergency Preparedness Regions and Regional Coalitions (Updated 4/27/2022)
• Emergency Service Zones (Updated 1/19/2022)
• Executive Office of Health & Human Services Regions (Updated 4/27/2022)
• Governor's Council Districts (Old)
• Governor's Council Districts (2021) (New! 3/3/2022)
• Homeland Security Planning Regions (Old Updated 4/27/2022)
• MassDEP Regions (Updated 5/27/2022)
• MassDOT Highway Districts (Updated 4/27/2022)
• Massachusetts Emergency Management Agency (MEMA) Regions (Updated 4/27/2022)
• Massachusetts House Legislative Districts (Old Updated 3/9/2022)
• Massachusetts House Legislative Districts (2021) (New! 3/3/2022)
• Massachusetts Senate Legislative Districts (Old Updated 3/9/2022)
• Massachusetts Senate Legislative Districts (2021) (New! 3/3/2022)
• Massachusetts State Police Troops (New! 8/19/2022)
• MSAG Communities (Updated 1/19/2022)
• New England Boundaries
• Property Tax Parcels (Updated 10/26/2022)
• Public School Districts
• Regional Planning Agencies (Updated 4/27/2022)
• Regional Transit Authorities
• Registries of Deeds Districts (Updated 4/27/2022)
• State Outlines
• U.S. Congressional Districts (117th)
• U.S. Congressional Districts (118th) (New! 3/3/2022)
• Urban Boundaries (2010 Census)
• 2022 Wards and Precincts (New! 11/21/2022)
• 2012 Wards and Precincts
• ZIP Codes (5-Digit) from HERE

Regulated Areas

• FEMA National Flood Hazard Layer
• FEMA Q3 Flood Zones from Paper FIRMs
• MassDEP 2002 Integrated List of Waters (305(b)/303(d))
• MassDEP 2010 Integrated List of Waters (305(b)/303(d))
• MassDEP 2012 Integrated List of Waters (305(b)/303(d))
• MassDEP 2014 Integrated List of Waters (305(b)/303(d))
• MassDEP 2016 Integrated List of Waters (305(b)/303(d))
• MassDEP 2018/2020 Integrated List of Waters (305(b)/303(d)) (New! 3/21/2022)
• MassDEP Ground Water Discharge Permits (Updated 11/03/2022)
• MassDEP Major Facilities
• MassDEP Solid Waste Diversion and Disposal
• MassDEP Oil and/or Hazardous Material Sites with Activity and Use Limitations (AUL) (Updated 12/29/2021)
• MassDEP Tier Classified Chapter 21E Sites (Updated 12/29/2021)
• MassDEP Underground Storage Tanks
• MassDEP Wellhead Protection Areas (Zone II, Zone I, IWPA) (Updated 11/03/2022)
• Non-Potential Drinking Water Source Areas
• Surface Water Quality Standards (314 CMR 4.00), 2013 (New! 9/8/2022)
• Surface Water Supply Protection Areas (ZONE A, B, C)
• Title 5 Setback Areas

Miscellaneous

• Geographic Place Names