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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 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
NVCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
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
ArchaeologyGrid
State of Connecticut —
This layer denotes the presence of archaeology sites utilizing a grid based on the U.S. National Grid (10,000 m) divided into nine sections per 10,000 m grid. The red... -
State
Broadband Availability by Town 2025
State of Connecticut —
Broadband Availability Data — Town-Level SummaryWhat the dataset includesLocation countsTotal broadband serviceable locationsNumber of providers Counts of unserved,... -
State
RiverCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
State
Steep Slope 10 ft
State of Connecticut —
OverviewThis Feature Service provides detailed geographic information on steep slope areas within the state of Connecticut. This layer was derived from the 2023... -
State
NHCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
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
CT Geodata Portal
State of Connecticut —
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... -
State
Broadband Adoption by Tract 2025
State of Connecticut —
Broadband and Internet Access Dataset — Tract-Level SummaryBroadband Subscription DataTotal broadband subscriptions across all technologiesTotal Residential broadband... -
State
Local Health Districts Status Maps
State of Connecticut —
Included in the data set is :-Local Health Department-Planning Organization-Director of Health (DoH) Name- DoH title-DoH Degree-Doh Email-LHD Status (District, Part... -
State
MetroCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
State
WestCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
State
CT DCF Area Boundaries
State of Connecticut —
This is a boundary file showing the catchment area for which each of the 14 DCF Area Offices is responsible. Catchment areas are comprised of complete Towns, but not... -
State
Connecticut Steep Slope Areas
State of Connecticut —
OverviewThis Feature Service provides detailed geographic information on steep slope areas within the state of Connecticut. This layer was derived from the 2023... -
State
National Register District
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
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
VetRep Data
State of Connecticut —
This feature layer contains contact and location information for Municipal Veterans Representatives across Connecticut, as designated under Connecticut General...