Librarian
General or Multidisciplinary Repositories of Government Data
- Data Lumos This link opens in a new window
DataLumos is a crowd-sourced ICPSR archive for valuable government data resources. ICPSR has a long commitment to safekeeping and disseminating US government and other social science data.
- Historical Statistics of the U.S. This link opens in a new window
Place to find historical data on the American population, trends in work and welfare, economic structures and performance, governance and international relations. Covers colonial times to 2000
- ICPSR This link opens in a new window
ICPSR (Inter-university Consortium for Political and Social Research) maintains a data archive of more than 250,000 files of research in the social and behavioral sciences. It hosts 21 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields. Users must register to download data.
- Internet Archive This link opens in a new window
Internet Archive is a non-profit, digital library providing access to millions of free texts, images, movies, software, music, websites, and more. Click “View More” for links to specific, recommended tools and collections.
- IPUMS This link opens in a new window
Includes data from U.S. Census and American Community Survey (ACS), Health Survey Data, and other global census and survey data.
- Sage Data This link opens in a new window
Repository of standardized and structured statistical data from Sage. Trinity subscribes to the Basic module, EASI Market Planner, and the China Data Center (Subnational Data).
- University of Illinois SDOH & Place Project DataDatasets and guidances include: the Center for Disease Control (CDC), Environmental Protection Agency (EPA), and the Health Resources and Services Administration (HRSA), among a few others.
Census & Demographic Data
- Census Reporter This link opens in a new window
A free, open-source platform focused on making American Community Survey (ACS) data more accessible, including the recent upload of the 2022 1-Year ACS data.
- PolicyMap This link opens in a new window
An online U.S. national data and mapping tool and analytics platform with multidisciplinary applications. It is used in research related to social sciences, urban studies, real estate and housing analysis, community and economic development, public administration, public health, policy and political science, education, business, economics, statistics, and geography, among others. Users can leverage thousands of U.S. data indicators in PolicyMap to perform demographic and socioeconomic analysis, from a neighborhood census block group in many cases, up to a national level, as well as create custom regions, for their research and studies.
- Social Explorer This link opens in a new window
An online resource for demographic data on the United States. Information can be generated in either reports or maps. Coverage begins with the 1790 Census and continues through the recent American Community Surveys. Create an individual account (required) in order to use all the database features.
Economic Data
- ALICE Economic Viability Dashboard This link opens in a new window
The ALICE Economic Viability Dashboard reveals the economic and community conditions of people who are struggling financially — those below the ALICE Threshold. This includes people in households with income below the Federal Poverty Level (FPL) and those who are ALICE (Asset Limited, Income Constrained, Employed), with income above the FPL but below the cost of basics. The data source is the U.S. Census Bureau’s Public Use Microdata Sample (PUMS, 2021). Geographies included in this dataset are U.S., State, and Public Use Microdata Areas (PUMAs).
- Federal Reserve Bank of St. Louis (FRED II) This link opens in a new window
Offers over 800 economic time-series downloadable as Excel files.
- National Equity Atlas This link opens in a new window
The National Equity Atlas is America's most detailed report card on racial and economic equity. It is a comprehensive resource for data to track, measure, and make the case for racial equity and inclusive prosperity in America’s regions, and states, and nationwide. The Atlas contains data on demographic change, racial and economic inclusion, and the potential economic gains from racial equity for the largest 100 cities, 430 large counties, the largest 150 regions, all 50 states, and the United States as a whole. The Atlas is produced by PolicyLink and the USC Equity Research Institute (ERI).
- State of Working America Data This link opens in a new window
The State of Working America Data Library provides researchers, media, and the public with easily accessible, up-to-date, and comprehensive historical data on the American labor force. It is compiled from Economic Policy Institute analysis of government data sources. Use it to research wages, inequality, and other economic indicators over time and among demographic groups.
Environmental Data
- Environmental Data & Governance Initiative (EDGI) This link opens in a new window
EDGI documents, contextualizes, and analyzes current changes to environmental data and governance practices through multidisciplinary and cross-professional collaborative work. They have a searchable public repository of EPA disclosures.
- Open Energy Data Initiative (OEDI) This link opens in a new window
Provides free access to data generated from efforts funded by the U.S. Department of Energy (DOE) and supporting projects and partnerships. OEDI contains data from all aspects of energy research, development, and operations, including data on: energy from waves, currents and tides, geothermal energy, solar energy, wind energy, device engineering, performance and testing, economic analysis, and more.
- Public Environmental Data Partners This link opens in a new window
A volunteer coalition of several environmental, justice, and policy organizations, researchers across several universities, archivists, and students who rely on federal datasets and tools to support critical research, advocacy, policy, and litigation work, and are committed to preserving and providing public access to federal environmental data. They've made available the Climate and Economic Justice Screening Tool, the Council on Environmental Quality EJScorecard, CDC's Social Vulnerability Index and Environmental Justice Index, and the EPA EJScreen tool, and as of February 14, 2025 have archived 37 out of 57 identified high-priority databases.
Mirrored Data Repositories
The following resources are "Mirrored Datasets" or collections of copies of federal datasets made available by other organizations. Generally speaking, these collections are often more comprehensive in their coverage than the sources listed above but require more advanced skills to search and access effectively.
- Data.gov Archive (Harvard Innovation Lab)The 16TB collection includes over 311,000 datasets harvested during 2024 and 2025, a complete archive of federal public datasets linked by data.gov. It will be updated daily as new datasets are added to data.gov.
- CDC Datasets on Internet ArchiveAn archive of all CDC datasets uploaded to https://data.cdc.gov/browse before January 28th, 2025. Excludes corrupt datasets and data not publicly accessible.
- UCSB LIST Public DataMirrored copies of CDC, NIH, NOAA, Department of Education, and other federal data on a locally hosted git server at UC Santa Barbara.
Looking for Another Resource?
Reference this spreadsheet to see if someone has already rescued a specific dataset and where you might be able to access it.
This spreadsheet was created and is maintained by the Data Rescue Project as a collaborative tool to catalog existing public data rescue efforts and help reduce duplicated efforts.