Mapping (GIS) Data Download
CT DEEP GIS Data Downloads
DEEP (Department of Energy and Environmental Protection). Download natural resource and environmental data in Shapefile or Geodatabase format.
UConn MAGIC - CT GIS data
The UConn Map and Geographic Information Center (MAGIC) is part of the UConn library. They maintain a collection of GIS data available as Shapefiles, KML (for Google Earth), and a map preview option that utilizes Google Maps.
CT Data Collaborative
Connecticut's official source for Census data and other state data sets
CT Open Data Portal
Data provided by Connecticut State Agencies
UConn MAGIC - Historical Map Collection, CT Towns
Included are select georeferenced historical maps from the University of Connecticut Libraries Map and Geographic Information Center.
CT ECO - 2016 Ortho Imagery
CT ECO (Connecticut Environmental Conditions Online) Imagery is available for download as tiles or town mosaics.
Interactive Web Maps
CT ECO (Connecticut Environmental Conditions Online)
Maps and geospatial data for planning, management, education, and research
UConn - Connecticut State Data Center, Data Visualizations
Includes visualizations of census data developed by the Connecticut State Data Center to assist users with exploring Census data for Connecticut, the Northeast, and the United States.
The Racial Dot Map from Weldon Cooper Center for Public Service
Shows country's ethnic distribution drawing on data from the 2010 U.S. Census. The map shows one dot per person, color-coded by race.
CTDOT Interactive Travel Information Map
This map shows current traffic conditions and travel resources.
CT Park & Ride Lots
Your guide to Connecticut Park & Ride locations.
Downloadable PDF or TIFF maps
CT ECO (Connecticut Environmental Conditions Online) -PDF maps
Town level maps to print or view. Includes Aquifer Protection Area, Natural Diversity Data Base Areas, Soils, Orthophotography and more.
CTDOT Transportation Related Mapping
Download town road map (TRU) data in DGN, DXF and DWG formats and view state transportation and traffic maps in PDF format.
CLEAR - Watershed Maps
Town level maps of watersheds that make up each town, to print or view.
Metro-North Rail Map/Schedule
Map of the stations and lines along with schedules.
CT Transit Bus Routes/Schedules
Maps for each bus route and schedules.
GIS Professional Organizations
URISA (Urban Regional Information System Association)
URISA is an association for GIS professionals that provides learning and knowledge for the GIS community.
ESRI - ArcGIS software
ArcGIS is the most widely used GIS software in the country.
ESRI - ArcGIS Explorer – Free
ArcGIS Explorer is a free GIS viewer that gives you an easy way to explore, visualize, and share GIS information.
QGIS – Free
QGIS is the best GIS tool in the free and open-source software (FOSS) community.
Google Earth – Free
Google earth is a 3D interface to the planet.
GRASS (Open Source) GIS Software – Free
GRASS is a free and open source GIS software suite used in academic, governmental agencies and commercial settings for geospatial data management and analysis.
UConn Geospatial Training Program
Training workshops are available for a reasonable fee.
A Kids Glossary of Map and GPS Terms
A great resource for kids & students.