Open Data DC centralizes the District’s public datasets on a single portal
Open Data DC is the District’s official public-data portal, centralizing datasets, tools and APIs from city agencies for residents, reporters, researchers…
Sophie McAlister ·

Open Data DC is the District of Columbia’s official public-data portal, offering a centralized catalog of datasets published by city agencies. The portal provides search and download tools, machine-readable formats and API access so users can pull data directly for research, reporting, app-building and transparency work.
The site aggregates data across multiple topic areas maintained by city departments, including transportation, permits and licensing, property records, public safety data and more. It presents datasets with metadata, basic visualizations and options to export data in common formats such as CSV and JSON. The portal is maintained by the District government to make municipal data more accessible and reusable for the public.
Open Data DC also supports developer and civic-technology
Open Data DC also supports developer and civic-technology use: published datasets can be queried through application programming interfaces and embedded maps and charts can be used by community groups, journalists and entrepreneurs. The portal’s catalog is regularly updated as agencies publish new datasets or revise existing ones, and it includes contact and licensing information to guide lawful reuse.
City officials and outside advocates have pointed to the portal as a tool for government transparency, better service delivery and data-driven policymaking. Local researchers and nonprofits use the portal to track trends and hold agencies accountable, while startups and reporters rely on its APIs to power services and stories.
Open Data DC gives District residents
Open Data DC gives District residents, civic technologists, journalists and local businesses direct access to city data, boosting transparency, accountability and civic applications across Washington’s neighborhoods.
- Open Data DC is the District government’s official public-data portal at opendata.dc.gov.
- The portal catalogs datasets across city agencies and topic areas including transportation and permits.
- Users can search, visualize and download data in machine-readable formats and query datasets Is.
- Datasets include metadata, licensing and agency contact details to support lawful reuse.
- The portal is used by researchers, reporters, civic technologists and local organizations for analysis and services.
Watch for new dataset releases and agency updates on the portal; city data releases often precede reporting, procurement decisions and civic tech projects.