Data / Nonprofits / District of Columbia / Social science
Social science nonprofits in District of Columbia: 116 registered with the IRS
116 social science nonprofits are registered with the IRS in District of Columbia, 106 of them 501(c)(3) charities; the 77 that report revenue took in $1.17 billion. The most are in Washington (116). The largest by revenue: The Aspen Institute Inc ($443.8 million), Urban Institute ($129.6 million), Brookings Institution ($115.7 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| The Aspen Institute Inc | Washington | 501(c)(3) | 1951 | $443.8 million | $756.6 million | 2024-12 |
| Urban Institute | Washington | 501(c)(3) | 1968 | $129.6 million | $311.6 million | 2024-12 |
| Brookings Institution | Washington | 501(c)(3) | 1940 | $115.7 million | $571.8 million | 2025-06 |
| American Enterprise Institute for Public Policy Research | Washington | 501(c)(3) | 1944 | $75.4 million | $386.6 million | 2025-06 |
| Innovations for Poverty Action | Washington | 501(c)(3) | 2003 | $60.2 million | $42.8 million | 2025-12 |
| The Center for Employment Security Education and Research Inc | Washington | 501(c)(3) | 1995 | $49.4 million | $10.7 million | 2025-09 |
| Pew Research Center | Washington | 501(c)(3) | 2004 | $46.3 million | $49.8 million | 2025-06 |
| Peter G Peterson Institute for International Economics | Washington | 501(c)(3) | 1982 | $17.8 million | $106.9 million | 2025-06 |
| Becket Fund | Washington | 501(c)(3) | 1994 | $17.5 million | $36.1 million | 2025-09 |
| Economic Policy Institute | Washington | 501(c)(3) | 1985 | $17.4 million | $21.3 million | 2025-12 |
| Salzburg Global Seminar Inc | Washington | 501(c)(3) | 1950 | $16.5 million | $37.4 million | 2024-12 |
| Population Connection | Washington | 501(c)(3) | 1979 | $13 million | $43 million | 2025-12 |
| Washington Center for Equitable Growth Inc | Washington | 501(c)(3) | 2015 | $12 million | $12.8 million | 2024-12 |
| Uli Foundation | Washington | 501(c)(3) | 1972 | $11.5 million | $93.1 million | 2025-06 |
| Population Reference Bureau Inc | Washington | 501(c)(3) | 1938 | $11.4 million | $12.1 million | 2025-09 |
| Behavioral Ideas Lab Inc | Washington | 501(c)(3) | 2012 | $11 million | $21.1 million | 2024-12 |
| American Political Science Association | Washington | 501(c)(3) | 1955 | $9.1 million | $63 million | 2024-12 |
| Institute for Higher Education Policy | Washington | 501(c)(3) | 1998 | $8.9 million | $15.8 million | 2024-12 |
| American Sociological Association | Washington | 501(c)(3) | 1942 | $8.4 million | $17.4 million | 2024-12 |
| Society for Research in Child Development | Washington | 501(c)(3) | 1955 | $7.4 million | $21.7 million | 2025-06 |
| American Institute for Boys and Men | Washington | 501(c)(3) | 2024 | $7.4 million | $7.3 million | 2025-06 |
| Association of American Geographers | Washington | 501(c)(3) | 1945 | $6.8 million | $14.4 million | 2025-12 |
| Center for European Policy Analysis | Washington | 501(c)(3) | 2007 | $5.1 million | $3.9 million | 2024-12 |
| American Action Forum Inc | Washington | 501(c)(3) | 2010 | $4.4 million | $2.4 million | 2025-06 |
| Better Markets Inc | Washington | 501(c)(3) | 2010 | $4.3 million | $3.3 million | 2025-12 |
| Coalition for A Prosperous America Inc | Washington | 501(c)(4) | 2023 | $3.6 million | $1.5 million | 2024-12 |
| American Psychological Foundation Inc | Washington | 501(c)(3) | 1961 | $3.5 million | $33.8 million | 2025-12 |
| Joint Center for Political and Economic Studies Inc | Washington | 501(c)(3) | 1976 | $3.4 million | $11.5 million | 2024-12 |
| Council On Governmental Relations | Washington | 501(c)(3) | 1993 | $3.3 million | $4.9 million | 2025-07 |
| Native American Finance Officers Association Inc | Washington | 501(c)(3) | 2000 | $3.1 million | $2.2 million | 2024-12 |
| Foundation for Chemistry Research and Initiatives | Washington | 501(c)(3) | 1996 | $3 million | $4.6 million | 2024-12 |
| Synergia - Initiatives for Human Rights | Washington | 501(c)(3) | 2017 | $3 million | $2.5 million | 2024-12 |
| Economic Policy Innovation Center Inc | Washington | 501(c)(3) | 2023 | $2.7 million | $1.6 million | 2024-12 |
| Joseph Rainey Center for Public Policy Incorporated | Washington | 501(c)(3) | 2018 | $2.6 million | $968,495 | 2024-12 |
| Actionaid USA | Washington | 501(c)(3) | 2001 | $1.8 million | $1.5 million | 2025-12 |
| School Justice Project Inc | Washington | 501(c)(3) | 2013 | $1.7 million | $2.4 million | 2025-12 |
| Gulf International Forum Inc | Washington | 501(c)(3) | 2019 | $1.7 million | $899,367 | 2024-12 |
| Our Neighborhoods Capital Fund | Washington | 501(c)(3) | 2024 | $1.6 million | $1.5 million | 2024-12 |
| Globewomen Research & Education Institute | Washington | 501(c)(3) | 2016 | $1.5 million | $4.7 million | 2024-12 |
| Association for Clinical and Translational Science | Washington | 501(c)(3) | 2009 | $1.5 million | $1.9 million | 2025-12 |
| Community Cooperative | Washington | 501(c)(3) | 2019 | $1.4 million | $749,573 | 2024-12 |
| American Institute for Contemporary German Studies John Hopkins Univ | Washington | 501(c)(3) | 1983 | $1.2 million | $6 million | 2025-06 |
| Advocates for Community Alternatives Inc | Washington | 501(c)(3) | 2017 | $1.2 million | $2.1 million | 2024-12 |
| Coalition for A Prosperous America Education Fund | Washington | 501(c)(3) | 2023 | $1.2 million | $314,679 | 2024-12 |
| Social Progess Imperative Inc | Washington | 501(c)(3) | 2012 | $1.1 million | $172,101 | 2024-12 |
| Institute for Progress | Washington | 501(c)(3) | 2022 | $1.1 million | $3.9 million | 2024-12 |
| National Institute of Statistical Sciences | Washington | 501(c)(3) | 1992 | $1.1 million | $5.4 million | 2025-06 |
| Washington Monthly Institute Inc | Washington | 501(c)(3) | 2010 | $957,398 | $1.3 million | 2025-12 |
| Institute for Palestine Studies USA Inc | Washington | 501(c)(3) | 2012 | $919,792 | $1.2 million | 2024-12 |
| American Anti Trust Institute Inc | Washington | 501(c)(3) | 1998 | $916,432 | $2.3 million | 2024-12 |
| Womens Congressional Policy Institute | Washington | 501(c)(3) | 1995 | $872,747 | $291,496 | 2024-12 |
| Poverty and Race Research Action Council | Washington | 501(c)(3) | 1991 | $810,089 | $2 million | 2025-12 |
| Knowledge Ecology International Inc | Washington | 501(c)(3) | 2007 | $703,096 | $1.9 million | 2024-12 |
| Transatlantic Leadership Network | Washington | 501(c)(3) | 2019 | $697,265 | $144,471 | 2025-06 |
| Center for the Study of Organized Hate Inc | Washington | 501(c)(3) | 2024 | $655,076 | $641,849 | 2025-12 |
| National Labor College | Washington | 501(c)(3) | 1970 | $600,000 | $68,627 | 2025-06 |
| Society of Black Archaeologists | Washington | 501(c)(3) | 2018 | $462,392 | $134,440 | 2025-12 |
| Institute for Research Middle Eastern Policy Inc | Washington | 501(c)(3) | 2003 | $394,778 | $177,485 | 2025-12 |
| Yorktown Foundation for Freedom | Washington | 501(c)(3) | 2024 | $380,000 | $13,454 | 2024-12 |
| Secular Coalition for America Education Fund | Washington | 501(c)(3) | 2008 | $374,466 | $52,658 | 2024-12 |
| National Association of Multicultural Education | Washington | 501(c)(3) | 1996 | $329,479 | $332,055 | 2025-06 |
| State Tax Research Institute | Washington | 501(c)(3) | 2014 | $269,000 | $495,826 | 2024-12 |
| The Iranian-American Bar Association | Washington | 501(c)(6) | 2014 | $265,382 | $81,405 | 2025-06 |
| Celsius | Washington | 501(c)(3) | 2019 | $248,805 | $115,960 | 2024-12 |
| Levant Center for Strategic Studies | Washington | 501(c)(3) | 2022 | $216,565 | $20,516 | 2024-12 |
| Sadie Collective | Washington | 501(c)(3) | 2021 | $197,430 | $125,480 | 2025-06 |
| National Center for Health Research Incorporated | Washington | 501(c)(3) | 1999 | $189,063 | $678,979 | 2024-12 |
| Geopolitical Insight and Education Foundation | Washington | 501(c)(4) | 2026 | $171,829 | $171,825 | 2025-12 |
| The Historical Society of the District of Columbia Circuit | Washington | 501(c)(3) | 1990 | $158,094 | $492,010 | 2024-12 |
| Foundation of the Energy Law Journal | Washington | 501(c)(3) | 1987 | $152,104 | $749,781 | 2025-12 |
| Pupin Initiative | Washington | 501(c)(3) | 2023 | $127,046 | $80,135 | 2025-12 |
| American Institute for Yemeni Studies | Washington | 501(c)(3) | 1978 | $97,886 | $534,671 | 2025-06 |
| International Telecommunications Society | Washington | 501(c)(3) | 1992 | $86,385 | $343,110 | 2025-12 |
| Green Bag Inc | Washington | 501(c)(3) | 2013 | $78,880 | $99,383 | 2025-12 |
| Foundation for Workforce Mobility | Washington | 501(c)(3) | 2005 | $22,477 | $86,614 | 2025-12 |
| World Anthropological Union | Washington | 501(c)(3) | 2024 | $14,593 | $250,540 | 2025-12 |
| Fair Share Inc | Washington | 501(c)(4) | 2008 | $14,487 | $3.3 million | 2025-06 |
| Actright Educational Trust Fund | Washington | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Alaska Chapter American College of Cardiology | Washington | 501(c)(6) | 2019 | $0 | $0 | 2025-12 |
| Alternative Planetary Futures Institute | Washington | 501(c)(3) | 2022 | $0 | $0 | 2026-08 |
| American Democracy Month Council | Washington | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| American Psychological Association | Washington | 501(c)(3) | 1940 | $0 | $249.9 million | 2024-12 |
| Association for Ethnic Studies Inc | Washington | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Caucus for A Critical Political Science | Washington | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Committee for A Fair Judiciary | Washington | 501(c)(4) | 2012 | $0 | $0 | 2025-12 |
| Connected Practice Exchange | Washington | 501(c)(3) | 2026 | |||
| Dawning Now | Washington | 501(c)(3) | 2024 | |||
| Doctors of Democracy | Washington | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ellis Cemetery Preservation | Washington | 501(c)(3) | 2026 | |||
| Empowerjustice Corp | Washington | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Food Security Leadership Council | Washington | 501(c)(3) | 2026 | |||
| Genesis Institute | Washington | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Good Government Now Inc | Washington | 501(c)(4) | 2018 | $0 | $0 | 2025-12 |
| Institute for Ai Policy and Strateg Y Inc | Washington | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Institute for Applied Humanism | Washington | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Institute for Intercultural Relations Incorporated | Washington | 501(c)(3) | 1995 | |||
| International Association for Research in Income and Wealth | Washington | 501(c)(3) | 2025 | |||
| LJC Group LTD | Washington | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Millennium Project Corporation | Washington | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| National Capital Area Political Science Association | Washington | 501(c)(3) | 2013 | $0 | $0 | 2025-04 |
| National Security Division Association | Washington | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Paleoanthropology Society | Washington | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Product Stewardship Society | Washington | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
| Program Integrity Alliance | Washington | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rule of Law Institute | Washington | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Savings and Retirement Foundation | Washington | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Statehood No Other Way Foundation | Washington | 501(c)(4) | 2020 | $0 | $0 | 2026-01 |
| Student Pugwash USA | Washington | 501(c)(3) | 1982 | $0 | $0 | 2024-12 |
| The Council for Social and Economic Studies Inc | Washington | 501(c)(3) | 1976 | $0 | $0 | 2025-07 |
| The Institute for Financial Markets | Washington | 501(c)(3) | 1994 | $4.4 million | 2024-12 | |
| The Zhong Institute Inc | Washington | 501(c)(3) | 2025 | |||
| Vielmontgomery Foundation Inc | Washington | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Washington Foundation for European Studies | Washington | 501(c)(3) | 1987 | $0 | $0 | 2024-12 |
| Women On Change | Washington | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Woodrow Wilson International Center for Scholars | Washington | 501(c)(3) | 1979 | 2024-09 | ||
| Wyoming Chapter of the American College of Cardiology | Washington | 501(c)(6) | 2019 | $0 | $0 | 2025-12 |
Every nonprofit in District of Columbia
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.