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Science & Research Data
Research data from federal science agencies, labs and space missions. 101,383 datasets from federal, state and local publishers.
Datasets
101,383
Federal
10,000+
State
8,109
County and city
766
Most viewed science & research datasets
- Raleigh City Council DistrictsCity of RaleighThis dataset covers the geographic are within the City of Raleigh municipal boundary. The Raleigh City Council dataset includes polygons which represent the boundaries for each City Council district. This dataset also includes labels and other data relatinCSVGeoJSONShapefileKML+1Updated 10/10/2025
- Parks in Wake CountyCity of Raleigh · Wake CountyParks in Wake County, NC with amenities. This dataset is updated as Wake County GIS is made aware of new parks. It is maintained by Wake County GIS. GIS metadata is available here .CSVGeoJSONShapefileKML+1Updated 02/17/2026
- DC QuadrantsDistrict of Columbia · D.C. Office of the Chief Technology OfficerDistrict of Columbia quadrants. The dataset contains locations and attributes of the District of Columbia quadrants, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating DCSVGeoJSONShapefileKML+1Updated 09/05/2024
- Real Property Tax Assessment NeighborhoodsDistrict of Columbia · DC Office of Tax and Revenue- Real Property DivisionThis dataset contains polygons that represent the boundaries of assessment neighborhoods as defined by the DC Office of Tax and Revenue (OTR) Real Property Tax Administration (RPTA). For analysis purposes, RPTA delineates assessment neighborhoods to group propCSVGeoJSONShapefileKML+1Updated 05/16/2025
- Real Property Tax Assessment Sub-NeighborhoodsDistrict of Columbia · Office of Tax and RevenueThis dataset contains polygons that represent the boundaries of assessment subneighborhoods as defined by the DC Office of Tax and Revenue (OTR) Real Property Tax Administration (RPTA). For analysis purposes, RPTA delineates assessment neighborhoods to group pCSVGeoJSONShapefileKML+1Updated 05/16/2025
All science & research datasets
10,000+ datasets
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- National Oceanic and Atmospheric Administration, Department of Commerce37,076
- National Aeronautics and Space Administration31,629
- U.S. Department of Health & Human Services9,888
- State of Virginia7,492
- Department of the Interior6,065
- Social Security Administration2,356
- Department of Commerce913
- National Institute of Standards and Technology877
- Department of Energy814
- U.S. Environmental Protection Agency642
- Department of Agriculture586
- AmeriCorps483
- Department of Justice363
- State of Maryland225
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- Parking Garage Space AvailabilityMontgomery County, Maryland · Transportation, Department ofThis dataset includes parking spaces availability for Montgomery County Public Parking Facilities. This dataset only includes facilities that are equipped with vehicle counting systems. Update frequency: Every few minutesCSVJSONXMLUpdated 10/26/2026Daily
- Paid Parking Occupancy (Last 30 Days)City of Seattle · Seattle Department of TransportationNotice: This dataset will soon be deprecated. Please transition to the replacement dataset available at https://data.seattle.gov/Transportation/Paid-Parking-Occupancy-Last-30-Days-/xkas-9n43/about_data The City of Seattle has created an on-street paid parking CSVJSONGeoJSONXMLUpdated 10/26/2026Weekly
- DWR Active CallsState of ColoradoDivision of Water Resources (DWR) Active Calls. The Call is a term used by the state engineer to effectively communicate the administrative status of the natural stream. The Call communicates the priority required during a specified period of time for a water CSVJSONGeoJSONXMLUpdated 10/26/2026Weekly
- Power Outages - Provider Feed StatusState of Maryland · MD DoITContains information on the power provider feeds. Data indicates the response code for the various feeds as well as the data created date. Limited historical record inventory. Designed for and consumed by the MEMA Power Outage web application.CSVJSONXMLUpdated 10/26/2026Irregularly
- Maryland Department of the Environment - Water and Science Administration (WSA) ComplianceState of Maryland · Maryland Department of the Environment (MDE)Maryland Department of the Environment (MDE) Water and Science Administration (WSA) compliance data for past 5 yearsCSVJSONXMLUpdated 10/26/2026Daily
- Call Center Data (Historical)City of Milwaukee · Information Technology and Management DivisionUpdate Frequency: N/A A log of the Unified Call Center's service requests. __To download XML and JSON files, click the CSV option below and click the down arrow next to the Download button in the upper right on its page.__CSVUpdated 10/26/2026
- Call Center Data (Current)City of Milwaukee · Information Technology and Management Division_Update Frequency: "An automated scan for dataset updates occurs every day at 3:45 a.m."_ For up to date information on service requests please visit, https://city.milwaukee.gov/ucc . A log of the Unified Call Center's service requests. From potholes, abandoneCSVUpdated 10/26/2026
- PaymentsCity of ChicagoAll vendor payments made by the City of Chicago from 1996 to present. Payments from 1996 through 2002 have been rolled-up and appear as "2002." Total payment information is summarized for each vendor and contract number for data older than two years. These datCSVJSONXMLUpdated 10/26/2026Daily
- ContractsCity of ChicagoContracts and modifications awarded by the City of Chicago since 1993. This data is currently maintained in the City’s Financial Management and Purchasing System (FMPS), which is used throughout the City for contract management and payment. Legacy System RecorCSVJSONXMLUpdated 10/26/2026Daily
- Dataset FreshnessState of Maryland · MD Department of Information TechnologyDataset to inventory datasets that need to be updatedCSVJSONXMLUpdated 10/26/2026Daily
- Maryland Department of the Environment - Water and Science Administration Violation(s)State of Maryland · Maryland Department of the Environment (MDE)Maryland Department of the Environment (MDE) Water and Science Administration (WSA) Violations informationCSVJSONXMLUpdated 10/26/2026Daily
- Customer Service Request Tracking DataCity of SeattleThis data set is a summary of status updates for customer certain customer service requests. To improve the experience when submitting customer service requests, the City has published a new tracking dashboard that allows users to see the current status and upCSVJSONXMLUpdated 10/26/2026Daily
- Maryland Department of the Environment (MDE) - Land Management Administration (LMA) ComplaintsState of Maryland · Maryland Department of the EnvironmentMaryland Department of the Environment (MDE) - Land Management Administration (LMA) ComplaintsCSVJSONXMLUpdated 10/26/2026Daily
- 311 OPCD Calls (2012-Present)City of New Orleans · Orleans Parish Communications DistrictThis dataset represents calls to the Orleans Parish Communications District 311 Call Center and historical calls to the City of New Orleans' 311 Call Center.CSVJSONGeoJSONXMLUpdated 10/26/2026
- TOC_IncidentsDepartment of TransportationIncidents table from TOC's Incident Awareness System - FOR OFFICIAL USE ONLY. Public availability to be determined under 5 U.S.C. § 552. Information contained herein is based on preliminary reports and is subject to revision. - Controlled Unclassified InformatCSVJSONXMLUpdated 10/26/2026
- TOC_Incident_Event_ReportsDepartment of TransportationIncident Event Reports table from TOC's Incident Awareness System - FOR OFFICIAL USE ONLY. Public availability to be determined under 5 U.S.C. § 552. Information contained herein is based on preliminary reports and is subject to revision. - Controlled UnclassiCSVJSONXMLUpdated 10/26/2026
- TOC_Incident_Event_Media_ReportsDepartment of TransportationIncident Event Media Reports table from TOC's Incident Awareness System - FOR OFFICIAL USE ONLY. Public availability to be determined under 5 U.S.C. § 552. Information contained herein is based on preliminary reports and is subject to revision. - Controlled UnCSVJSONXMLUpdated 10/26/2026
- Maryland Department of the Environment - Land Management Administration (LMA) - Solid Waste Program - ComplianceState of Maryland · Maryland Department of the EnvironmentMaryland Department of the Environment - Land Management Administration (LMA) - Solid Waste ComplianceCSVJSONXMLUpdated 10/26/2026Daily
- Maryland Department of the Environment - Land Management Administration (LMA) - Solid Waste Program - Enforcement ActionsState of Maryland · Maryland Department of the EnvironmentMaryland Department of the Environment - Land Management Administration (LMA) - Solid Waste Enforcement ActionsCSVJSONXMLUpdated 10/26/2026Daily
- Maryland Department of the Environment (MDE) - Air and Radiation Administration (ARA) ComplaintsState of Maryland · Maryland Department of the Environment (MDE)Maryland Department of the Environment (MDE) - Air Administration (ARA) ComplaintsCSVJSONXMLUpdated 10/26/2026Daily
- Maryland Department of the Environment - Air and Radiation Administration (ARA) Enforcement ActionsState of Maryland · Maryland Department of the EnvironmentMaryland Department of the Environment - Air and Radiation Administration (ARA) Enforcement ActionsCSVJSONXMLUpdated 10/26/2026Daily
- Maryland Department of the Environment - Air and Radiation Administration (ARA) ViolationState of Maryland · Maryland Department of the EnvironmentMaryland Department of the Environment - Air and Radiation Administration (ARA) ViolationCSVJSONXMLUpdated 10/26/2026Daily
- Sidewalk Condition AssessmentDistrict of Columbia · District Department of TransportationThe data includes the five condition categories, excellent, good, fair, poor and failed. The data reflects a sidewalk condition index score ranging from 0 to 11. The higher the value, the better the sidewalk condition. The data also includes the primary and seCSVGeoJSONShapefileKML+1Updated 10/26/2026
- Current Employee Names, Salaries, and Position TitlesCity of ChicagoThis dataset is a listing of all active City of Chicago employees, complete with full names, departments, positions, employment status (part-time or full-time), frequency of hourly employee -where applicable-and annual salaries or hourly rate. Please note thatCSVJSONXMLUpdated 10/26/2026Daily
- Open SpaceCity of Raleigh · Wake CountyOpen Space, Parks, Research Land, Mitigation, in Wake County. More information on this program is available at wake.gov .CSVGeoJSONShapefileKML+1Updated 10/26/2026
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Frequently asked questions
- Who publishes science & research data?
- The largest publishers in this catalog are National Oceanic and Atmospheric Administration, Department of Commerce, National Aeronautics and Space Administration, U.S. Department of Health & Human Services.
- How do I download science & research data?
- Open any dataset to see its file formats (CSV, JSON, GeoJSON and more) and API links. Every link goes to the official government source.
- How are datasets assigned to topics?
- We read each dataset's category, keywords and title from the source catalog and file it under up to three topics, so some datasets appear in more than one topic.
Source: Data.gov Catalog (GSA), state and local open data portals · Last updated 10/26/2026