Social Sciences Data

Datasets is a portal for accessing datasets generated by agencies of the Executive Branch of the U.S government. (Free Resource)

Harvard-MIT Data Center (HMDC)
HMDC is a member of the Institute for Quantitative Social Science (IQSS) and a leading datacenter for the social sciences. HMDC offers access to datasets, extensive support, and workshops.

ICPSR: Inter-University Consortium for Political and Social Research.
Gateway to more than 500,000 downloadable digital files of statistical data related to the social sciences.

IQSS Dataverse Network
The world's largest collection of social science research data, Dataverse includes ICPSR, Roper, NARA, Census Bureau and many other datasets.


Historical Statistics of the United States Ref HA202 .H57 View HOLLIS record
Presents the U.S. in statistics from Colonial times to the present.

Social Explorer
Create tables and maps of U.S. Census data.

Integrates over 60,000 diverse topics of data and facts from over 10,000 sources on a single platform. Categorized into over 20 market sectors.

Statistical Universe
Statistical content of many U.S. government publications, and state government and business association publications.

Federal Government

Bureau of Justice Statistics
Part of the U.S. Department of Justice, the BJS provides publications, data collections, data analysis tools, & key facts at a glance. Includes the Federal Justice Statistics Resource Center. (Free Resource)

Centers for Disease Control & Prevention, Statistics
CDC National Center for Health statistics.(Free Resource)

National Renewable Energy Laboratory (NREL) Data
Provides dynamic maps and GIS data of renewable energy resources. (Free Resource)

Statistical Abstract of the United States Ref HA202 .A2 View HOLLIS record
The single most comprehensive source of statistical data on the United States. (Free Resource)

U.S. Census Bureau
Demographic and economic data from the U.S. Census. The data is updated at regular intervals throughout the decade. (Free Resource)

Subject Specific

ARDA: Association of Religion Data Archives
Provides free access to religion statistics, data and church membership reports. Data available via hundreds of data files, searchable by category, popularity & denomination. (Free Resource)

National Historical Geographic Information System (NHGIS)
Disseminates statistical and geographic information system(GIS)boundary data for the United States. Covers US history from 1790 to the present (Free Resource)

Pew Research Center
Provides data and analysis on the issues, attitudes and trends shaping the United States and the world. (Free Resource)

Roper Center for Public Opinion
Provides access to summary-level (question & answer) and micro-level (raw) public opinion data. Also includes U.S. exit poll data and demographic breakdowns of voting in U.S. elections.

Research Guides

Harvard US Census Data Resources
A starting point for researchers using United States Census Data in electronic format. (Free Resource)

Selected Resources for United States Education Statistics
Guide from the Gutman Library at the Harvard Graduate School of Education. (Free Resource)