Data / Nonprofits / South Dakota / Madison
Nonprofits in Madison, SD: 72 registered with the IRS
72 nonprofits are registered with the IRS in Madison, SD, 54 of them 501(c)(3) charities; the 30 that report revenue took in $458 million. The largest by revenue: East River Electric Power Cooperative Inc ($371.4 million), Madison Community Hospital ($38 million), Inter-Lakes Community Action Partnership Inc ($16.3 million). Most common causes: recreation and sports (7), human services (7), education (6).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| East River Electric Power Cooperative Inc | 501(c)(12) | 1957 | $371.4 million | $1.02 billion | 2024-12 | |
| Madison Community Hospital | Health care | 501(c)(3) | 1937 | $38 million | $59.7 million | 2025-06 |
| Inter-Lakes Community Action Partnership Inc | Human services | 501(c)(3) | 1967 | $16.3 million | $15.6 million | 2025-09 |
| Dakota State University Foundation | Education | 501(c)(3) | 2014 | $8.2 million | $81.8 million | 2025-06 |
| Bethel Lutheran Home | Human services | 501(c)(3) | 1961 | $6.9 million | $8.1 million | 2025-06 |
| Valiant Living Incorporated | Employment | 501(c)(3) | 1976 | $4.4 million | $6.5 million | 2025-06 |
| South Dakota Association of Rural Water Systems | 501(c)(6) | 1997 | $3.5 million | $3.4 million | 2025-09 | |
| Rural Electric Economic Development Inc | Community improvement and capacity building | 501(c)(3) | 1998 | $2.3 million | $54.6 million | 2025-12 |
| Lake Area Improvement Corporation | Community improvement and capacity building | 501(c)(3) | 1992 | $1.9 million | $16.6 million | 2025-12 |
| Dakota State University Applied Research Corporation | Science and technology | 501(c)(3) | 2023 | $1.1 million | $8,158 | 2025-09 |
| Prairie Historical Society | Arts, culture and humanities | 501(c)(3) | 1966 | $626,804 | $1.5 million | 2025-09 |
| Greater Madison Chamber of Commerce | 501(c)(6) | 1986 | $444,794 | $86,485 | 2025-12 | |
| Madison Central School Educational Foundation Inc | Education | 501(c)(3) | 2006 | $418,978 | $1.3 million | 2024-06 |
| Madison Community Hospital Foundation Inc | Health care | 501(c)(3) | 2014 | $317,492 | $1.5 million | 2025-06 |
| Veterans of Foreign Wars of United States Department of South Dakota | 501(c)(4) | 1964 | $316,726 | $1.2 million | 2025-12 | |
| Madison Fire Drpartment | Public safety, disaster preparedness and relief | 501(c)(3) | 2022 | $289,532 | $185,546 | 2025-12 |
| East Dakota Transit Inc | Public and societal benefit | 501(c)(3) | 1999 | $229,886 | $157,696 | 2025-09 |
| Domestic Violence Network Inc | Human services | 501(c)(3) | 2009 | $222,886 | $365,693 | 2025-12 |
| Bethel Lutheran Home Foundation Inc | Health care | 501(c)(3) | 1990 | $220,885 | $1.7 million | 2024-06 |
| Interlakes Area United Way Corporation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1960 | $175,405 | $145,381 | 2024-12 |
| Leahs Kids Inc | Human services | 501(c)(3) | 2017 | $144,670 | $103,212 | 2025-12 |
| Dsu-Soar | Education | 501(c)(3) | 2022 | $132,172 | $170,982 | 2025-06 |
| Lake County Historical Society | 501(c)(3) | 1987 | $122,590 | $796,801 | 2024-12 | |
| Lake County Food Pantry Inc | 501(c)(3) | 1984 | $115,920 | $397,399 | 2025-12 | |
| Valiant Living Foundation Inc | Employment | 501(c)(3) | 1990 | $67,126 | $852,521 | 2025-06 |
| Interlakes Youth Softball Association Inc | Recreation and sports | 501(c)(3) | 2013 | $59,668 | $52,361 | 2025-12 |
| South Dakota Cap Directors Association Inc | Human services | 501(c)(3) | 2008 | $58,000 | $33,559 | 2025-09 |
| Madison Christian School | Education | 501(c)(3) | 2001 | $54,681 | $156,240 | 2025-06 |
| Rural Water Center Inc | Environment | 501(c)(3) | 2014 | $34,423 | $89,986 | 2025-09 |
| Inter-Lakes Community Action Partnership Foundation Inc | Human services | 501(c)(3) | 2025 | $25,815 | $122,503 | 2025-09 |
| Aces Youth Shooting Sports | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| American Association of Healthcare Administrative Management | 501(c)(6) | 1975 | $0 | $0 | 2025-12 | |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Legion Auxiliary | Public and societal benefit | 501(c)(19) | 2024 | $0 | $0 | 2025-12 |
| Association for Computing Machinery | 501(c)(3) | 1968 | ||||
| Association for Computing Machinery | 501(c)(3) | 1968 | ||||
| First Baptist Church | 501(c)(3) | 1955 | ||||
| Harrold Housing Inc | 501(c)(4) | 1981 | $0 | $0 | 2024-12 | |
| Interlakes Senior Citizens Council Inc | Human services | 501(c)(3) | 2026 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2025-06 | |
| Izaak Walton League of Amercia Inc | Environment | 501(c)(3) | 1985 | $0 | $0 | 2025-08 |
| Kiwanis International Inc | 501(c)(4) | 1960 | $0 | $0 | 2025-09 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knights of Columbus | Mutual and membership benefit | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Lake Herman Development Assoc Inc | Environment | 501(c)(3) | 2016 | $0 | $0 | 2026-05 |
| Lake Madison Development Association Inc | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Living Hope Wesleyan Church | 501(c)(3) | |||||
| Madison Alano Society Inc | Mental health and crisis intervention | 501(c)(3) | 2017 | $0 | $0 | 2025-11 |
| Madison Area Arts Council | 501(c)(3) | 1984 | $0 | $0 | 2026-06 | |
| Madison Area Pink Ladies | Diseases, disorders and medical disciplines | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Madison Baseball Association Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Madison Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Madison Lodge 5 Fraternal Order of Police | Mutual and membership benefit | 501(c)(8) | 2026 | |||
| Madison S D Library Foundation Corp Oration | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Madison South Dakota Backstage Backers | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-06 |
| Madison Swim Club | Recreation and sports | 501(c)(3) | 2012 | $0 | $0 | 2025-06 |
| Madison Tennis Association | Recreation and sports | 501(c)(3) | 1998 | $0 | $0 | 2024-12 |
| Madison Volleyball Club | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Madison-Cemetery Association Graceland Cemetery | 501(c)(13) | 1952 | $0 | $0 | 2024-12 | |
| National Association of Letter Carriers | 501(c)(5) | 1955 | $0 | $0 | 2025-12 | |
| Our Savior Lutheran Church | 501(c)(3) | 1941 | ||||
| River of Life Christian Fellowship | 501(c)(3) | 1964 | ||||
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2025-06 | |
| Rustic Acres Hutterian Brethren Inc | 501(c)(40) | 1998 | ||||
| SD Tri News | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Saint Thomas Aquinas Parish of Lake County | 501(c)(3) | 1946 | 2013-06 | |||
| St Thomas Parish | 501(c)(3) | 1946 | ||||
| St Thomas School Foundation Inc | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| The Spirit of Madison Band Parents Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2026-05 |
| United States Bowling Congress Inc | Recreation and sports | 501(c)(3) | 2004 | $0 | $0 | 2026-07 |
| Veterans of Foreign Wars of the Us Dept of South Dakota Aux | 501(c)(4) | 1967 | $0 | $0 | 2025-12 | |
| West Center Baptist Church | 501(c)(3) | 1972 |
By cause in Madison, SD
- Recreation and sports 7
- Human services 7
- Education 6
- Health care 3
- Environment 3
- Public and societal benefit 3
- Community improvement and capacity building 3
Nonprofits in every city of the state
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.