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State
CT House Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's House of Representative’s districts based on the latest redistricting process following the 2020 Census.... -
State
CT Congressional Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's congressional districts based on the latest redistricting process following the 2020 Census. More... -
State
September 2025 GIS Office Newsletter
State of Connecticut —
The September 2025 issue of the GIS Office Newsletter features updates about the GIS Office, a summary of the most recent GIS Advisory Council meeting, GIS resources,... -
State
Connecticut State Parcel Layer 2023
State of Connecticut —
The dataset has combined the Parcels and Computer-Assisted Mass Appraisal (CAMA) data for 2023 into a single dataset. This dataset is designed to make it easier for... -
State
CT Senate Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's Senate districts based on the latest redistricting process following the 2020 Census. More information... -
State
ConnCRIS User Guide
State of Connecticut —
The Connecticut State Historic Preservation Office (SHPO) is pleased to provide the ConnCRIS Public Resource Viewer, an online application for Connecticut’s cultural... -
State
Opportunity Zones
State of Connecticut —
These points are directly sourced from the National Historic Landmarks, National Register, State Register, Local Historic Districts, Local Historic Places, Historic... -
State
VetRep Data
State of Connecticut —
This feature layer contains contact and location information for Municipal Veterans Representatives across Connecticut, as designated under Connecticut General... -
State
Above Ground Resources
State of Connecticut —
These points are directly sourced from the National Historic Landmarks, National Register, State Register, Local Historic Districts, Local Historic Places, Historic... -
State
CT DCF Region Boundaries
State of Connecticut —
This is a boundary file showing the catchment area for which each of the 6 DCF Regions is responsible. Catchment areas are comprised of complete Towns, but not... -
State
Connecticut Housing Data Hub
State of Connecticut —
The Connecticut Housing Data Hub is a public resource developed by the Office of Policy and Management (OPM), Department of Housing (DOH), and Department of Economic... -
State
Connecticut Broadband Availability Data by Block 2024
State of Connecticut —
Public Act 21-159 established a state goal of universal access to 1000 Mbps download and 100 Mbps upload across the State of Connecticut. This map shows progress to... -
State
Public Historic Districts
State of Connecticut —
The boundaries of the district polygons are both modified and unmodified pre-existing polygons provided by NPS and SHPO, as well as new, previously unmapped... -
State
Connecticut CAMA and Parcel Layer
State of Connecticut —
Pursuant to Section 7-100l of the Connecticut General Statutes, each municipality is required to transmit a digital parcel file and an accompanying assessor’s... -
State
CT Public Above Ground Resources
State of Connecticut —
These points are directly sourced from the National Historic Landmarks, National Register, State Register, Local Historic Districts, Local Historic Places, Historic... -
State
2023 Connecticut Buildings (beta)
State of Connecticut —
Lidar derived buildings from April, 2023 flight across the entirety of CT. -
State
Broadband Data by Block - 2023
State of Connecticut —
This feature layer includes all data available at the block level - no adoption data is available at this level.-------The Connecticut Broadband Availability and... -
State
CT DCF Town Boundaries
State of Connecticut —
This file contains boundaries for each Town in the state, including the DCF Region and Area Office responsible for providing services to each Town. This data is as of... -
State
(delete this block layer) 2024 Availability by Block (Unserved and Underserved Locations)
State of Connecticut —
Link to block layer: Connecticut Broadband Availability Data by Block 2024 -
State
Connecticut Broadband Availability Data by Town 2024
State of Connecticut —
Link to block layer: Connecticut Broadband Availability Data by Block 2024