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CT Geodata Portal

Published by State of Connecticut | State of Connecticut | Catalog Last Checked: June 09, 2026 at 08:13 PM | Dataset Last Updated: June 05, 2026
The CT Geodata Portal is an open data site for all geospatial data in Connecticut. Users can find spatial datasets directly administered by the GIS Office as well as those shared by the Department of Transportation, the Department of Energy and Environmental Protection, CT ECO, and other partners. The Geodata portal aims to provide residents, policymakers, and researchers easy access to foundational geospatial datasets and promote open data principles. 

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