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CT Senate Districts

Published by State of Connecticut | State of Connecticut | Catalog Last Checked: March 14, 2026 at 03:50 PM | Dataset Last Updated: March 11, 2026
This feature layer represents the boundaries of Connecticut's Senate districts based on the latest redistricting process following the 2020 Census. More information about the 2021 Redistricting Project can be found here.The dataset includes the 36 Senate districts with fields identifying the current CT Senate members and their associated political party for each district. The geometry is derived from the published data from the Connecticut General Assembly.More information about the CT Senate members can be found here.Collection of CT Legislative District published feature layers:Congressional districtsSenate districtsHouse districtsAttributesDistrictSenate district number (text/string)DistrictNSenate district number (number/integer)PartyMember’s political party (Democratic or Republican)Full NameMember’s full name

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
                                            {
  "fn": "sarah.hurley6",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:opm.giso@ct.gov"
}
description <p>This feature layer represents the boundaries of Connecticut's Senate districts based on the latest redistricting process following the 2020 Census. More information about the 2021 Redistricting Project can be found <a href='https://www.cga.ct.gov/rr/taskforce.asp?TF=20210401_2021%20Redistricting%20Project' target='_blank' rel='nofollow ugc noopener noreferrer'><strong>here</strong></a>.</p><p></p><p>The dataset includes the 36 Senate districts with fields identifying the current CT Senate members and their associated political party for each district. The geometry is derived from the published data from the <a href='https://www.cga.ct.gov/rr/tfs/20210401_2021%20Redistricting%20Project/hmaps.asp' target='_blank' rel='nofollow ugc noopener noreferrer'><strong>Connecticut General Assembly</strong></a>.</p><p>More information about the CT Senate members can be found <a href='https://www.cga.ct.gov/asp/menu/slist.asp' target='_blank' rel='nofollow ugc noopener noreferrer'><strong>here</strong></a>.</p><p></p><p>Collection of CT Legislative District published feature layers:</p><ul><li><a href='https://geodata.ct.gov/datasets/7ef0679c6bd24ba080910dde533c90c3_0/explore?location=41.421315%2C-72.741063%2C8.27' target='_blank' rel='nofollow ugc noopener noreferrer'>Congressional districts</a></li><li><a href='https://geodata.ct.gov/datasets/21e112d662af4d1baca8dcede14f0f89_0/explore?location=41.497008%2C-72.761768%2C8.42' target='_blank' rel='nofollow ugc noopener noreferrer'>Senate districts</a></li><li><a href='https://geodata.ct.gov/datasets/019db44ce72c41a19662c7e95e639e0d_0/explore?location=41.465694%2C-72.528344%2C8.27' target='_blank' rel='nofollow ugc noopener noreferrer'>House districts</a></li></ul><p></p><p>Attributes</p><figure><table border='1' cellpadding='0' cellspacing='0' style='border-collapse:collapse;'><tbody><tr><td style='border:1.0pt solid windowtext; padding:0in 5.4pt; width:125.75pt;' width='168'><p style='line-height:normal; margin-bottom:0in;'>District</p></td><td style='border-bottom-style:solid; border-color:windowtext; border-left-style:none; border-right-style:solid; border-top-style:solid; border-width:1.0pt; padding:0in 5.4pt; width:341.75pt;' width='456'><p style='line-height:normal; margin-bottom:0in;'>Senate district number (text/string)</p></td></tr><tr><td style='border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:125.75pt;' width='168'><p style='line-height:normal; margin-bottom:0in;'>DistrictN</p></td><td style='border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:341.75pt;' width='456'><p style='line-height:normal; margin-bottom:0in;'>Senate district number (number/integer)</p></td></tr><tr><td style='border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:125.75pt;' width='168'><p style='line-height:normal; margin-bottom:0in;'>Party</p></td><td style='border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:341.75pt;' width='456'><p style='line-height:normal; margin-bottom:0in;'>Member’s political party (Democratic or Republican)</p></td></tr><tr><td style='border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:125.75pt;' width='168'><p style='line-height:normal; margin-bottom:0in;'>Full Name</p></td><td style='border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:341.75pt;' width='456'><p style='line-height:normal; margin-bottom:0in;'>Member’s full name</p></td></tr><tr><td st
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "CSV",
    "mediaType": "text/csv",
    "downloadURL": "https://geodata.ct.gov/api/download/v1/items/21e112d662af4d1baca8dcede14f0f89/csv?layers=0"
  },
  {
    "@type": "dcat:Distribution",
    "title": "GeoJSON",
    "mediaType": "application/vnd.geo+json",
    "downloadURL": "https://geodata.ct.gov/api/download/v1/items/21e112d662af4d1baca8dcede14f0f89/geojson?layers=0"
  },
  {
    "@type": "dcat:Distribution",
    "title": "KML",
    "mediaType": "application/vnd.google-earth.kml+xml",
    "downloadURL": "https://geodata.ct.gov/api/download/v1/items/21e112d662af4d1baca8dcede14f0f89/kml?layers=0"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Shapefile",
    "mediaType": "application/zip",
    "downloadURL": "https://geodata.ct.gov/api/download/v1/items/21e112d662af4d1baca8dcede14f0f89/shapefile?layers=0"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ArcGIS Hub Dataset",
    "mediaType": "text/html",
    "downloadURL": "https://geodata.ct.gov/datasets/ctmaps::ct-senate-districts"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ArcGIS GeoService",
    "mediaType": "application/json",
    "downloadURL": "https://services3.arcgis.com/3FL1kr7L4LvwA2Kb/arcgis/rest/services/CT_Senate_Districts/FeatureServer/0"
  }
]
identifier https://www.arcgis.com/home/item.html?id=21e112d662af4d1baca8dcede14f0f89&sublayer=0
issued 2025-01-15
keyword 
                                            [
  "boundaries",
  "congress",
  "congressional",
  "connecticut",
  "ct",
  "gis office",
  "giso",
  "house",
  "legislative",
  "opm",
  "senate"
]
landingPage https://geodata.ct.gov/datasets/ctmaps::ct-senate-districts
license https://creativecommons.org/publicdomain/zero/1.0
modified 2026-03-11
publisher 
                                            {
  "name": "State of Connecticut",
  "@type": "org:Organization"
}
spatial -73.7255,40.9500,-71.7814,42.0485
theme 
                                            [
  "geospatial"
]
title CT Senate Districts

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