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Connecticut Government Data
2,411 open datasets about Connecticut from 2 state and local governments and federal agencies.
Datasets
2,411
State government
1,244
County and city
225
Federal, about the state
942
Open data portals
Official portals run by governments in Connecticut
- Connecticut Open DataState of Connecticut · data.ct.govSocrata654
- Hartford Open DataCity of Hartford · data.hartford.govArcGIS Hub127
Publishers
State and local governments with datasets in the catalog
Connecticut datasets
2,411 datasets
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- Active Connecticut PharmaciesState of Connecticut · Department of Consumer ProtectionCSVJSONGeoJSONXMLUpdated 10/26/2026Daily
- Connecticut Business Registry - Business MasterState of Connecticut · Secretary of the StateThis is the master business table (account object) from the Connecticut Business Registry, maintained by the Secretary of the State, Business Services Division.CSVJSONGeoJSONXMLUpdated 10/26/2026Daily
- lsa tax townsState of Connecticut · Department of Consumer ProtectionCSVJSONXMLUpdated 10/26/2026
- State Licenses and CredentialsState of Connecticut · Department of Administrative Services & Department of Consumer ProtectionLicenses and Credentials recorded in Connecticut's eLicensing system. Updated daily.CSVJSONXMLUpdated 10/26/2026Daily
- Real Estate Salesperson Status with BrokerState of Connecticut · Department of Consumer ProtectionIncludes date of most recent change.CSVJSONXMLUpdated 10/26/2026Daily
- Courses for Continuing Education Real Estate Salesperson and BrokerState of Connecticut · Department of Consumer ProtectionAvailable courses for continuing education real estate salesperson and brokerCSVJSONXMLUpdated 10/26/2026Daily
- Lemon Law Arbitration DecisionsState of Connecticut · Department of Consumer ProtectionDetails of arbitration hearingsCSVJSONXMLUpdated 10/26/2026Daily
- Home Inspection Continuing Education CoursesState of Connecticut · Department of Consumer ProtectionCourses approved for continuing educationCSVJSONXMLUpdated 10/26/2026Daily
- Liquor BrandsState of Connecticut · Department of Consumer ProtectionAccording to Connecticut law, no manufacturer, wholesaler, or out-of-state shipper may ship, transport or deliver within Connecticut, or sell or offer for sale, any alcoholic liquor unless the following information is registered with, and approved by, the ConnCSVJSONXMLUpdated 10/26/2026Daily
- Prescription Drug Drop BoxesState of Connecticut · Department of Consumer ProtectionThe medication collection and disposal program provides a safe disposal location for citizens to properly dispose of unused household medicationsCSVJSONGeoJSONXMLUpdated 10/26/2026Daily
- THC Beverage SalesState of Connecticut · Department of Consumer ProtectionA law requires each liquor or beer wholesaler permittee to pay a $1 fee for every THC-infused beverage they sell. Each liquor or beer wholesaler permittee must report the number of THC-infused beverages sold to a package store permittee and pay $1 for each THCCSVJSONXMLUpdated 10/26/2026Twice a year
- Connecticut Business Registry - Business Filing HistoryState of Connecticut · Connecticut Secretary of the StateThis is the business filing table from the Connecticut Business Registry, maintained by the Secretary of the State, Business Services Division. It contains all of the business filings filed on the registry. This data may be linked to the Connecticut Business RCSVJSONXMLUpdated 10/26/2026Daily
- Child Care & Youth Camp Licensing InvestigationsState of Connecticut · DAS/BEST - eLicensingChild Care & Youth Camp Licensing InvestigationsCSVJSONXMLUpdated 10/26/2026Daily
- Connecticut Business Registry - PrincipalsState of Connecticut · Connecticut Secretary of the StateThis dataset is the principals object from the Connecticut Business Registry. The dataset provides principal information for all principals reported to the Connecticut Secretary of the State, Business Services Division. A principal is an officer or director ofCSVJSONXMLUpdated 10/26/2026Daily
- Product Safety CredentialsState of Connecticut · Department of Consumer ProtectionCSVJSONGeoJSONXMLUpdated 10/26/2026
- Connecticut Business Registry - Name Change HistoryState of Connecticut · Secretary of the StateThis is the business name change history table from the Connecticut Business Registry. Use the unique key value in the first column to link the data to the Business Master (account) table.CSVJSONXMLUpdated 10/26/2026Daily
- Plumbing Continuing Education CoursesState of Connecticut · Department of Consumer ProtectionCourses approved for continuing educationCSVJSONXMLUpdated 10/26/2026Daily
- Child Care & Youth Camp Licensing ViolationsState of Connecticut · DAS/BEST - eLicensingChild Care & Youth Camp Licensing ViolationsCSVJSONXMLUpdated 10/26/2026Daily
- Apprenticeship SponsorsState of Connecticut · Department of LaborCSVJSONXMLUpdated 10/26/2026
- Liquor PermitsState of Connecticut · Department of Consumer ProtectionIncludes backers and permittees.CSVJSONXMLUpdated 10/26/2026
- Child Care & Youth Camp Licensing Program DataState of Connecticut · DAS/BEST - eLicensingChild Care & Youth Camp Licensing Program DataCSVJSONXMLUpdated 10/26/2026Daily
- Appraiser Sponsor ListState of Connecticut · Department of Consumer ProtectionList of licensed appraisers interested and approved to serve as sponsors for provisional appraisers.CSVJSONXMLUpdated 10/26/2026Daily
- Apprentice RegistrationsState of Connecticut · Department of LaborCSVJSONXMLUpdated 10/26/2026
- Connecticut Business Registry - AgentsState of Connecticut · Connecticut Secretary of the StateThis dataset is the agent object from the Connecticut Business Registry. The dataset provides agent information for all statutory agents reported to the Connecticut Secretary of the State, Business Services Division. Link this data set to the Connecticut BusinCSVJSONXMLUpdated 10/26/2026Daily
- Uniform Commercial Code (UCC) Lien FilingsState of Connecticut · Connecticut Office of the Secretary of the StateThis dataset contains liens filed with the Business Services Division of the Office of the Secretary of the State. Most liens are filed under the Uniform Commercial Code, but the dataset also contains vessel and aircraft liens, and liens filed by the Internal CSVJSONXMLUpdated 10/26/2026Daily
Only the first 50 pages are listed. Narrow the list by area or type to see more.
Only show:State government (1,244)County and city (225)Federal agencies (942)
Frequently asked questions
- Does Connecticut have an open data portal?
- Yes. Connecticut Open Data (data.ct.gov), Hartford Open Data (data.hartford.gov) publish open data for Connecticut.
- How many datasets are there about Connecticut?
- The DatenUS catalog lists 2,411 datasets: 1,244 from the state government, 225 from counties and cities, and 942 federal datasets that cover Connecticut.
- Is this data free to use?
- State and local portals usually allow free reuse under an open license or their terms of use, and most federal data is in the public domain. Check each dataset page for its license.
Source: Connecticut Open Data, Hartford Open Data, Data.gov Catalog · Last updated 10/26/2026