Data / Nonprofits / South Dakota / Armour
Nonprofits in Armour, SD: 21 registered with the IRS
21 nonprofits are registered with the IRS in Armour, SD, 10 of them 501(c)(3) charities; the 3 that report revenue took in $16.4 million. The largest by revenue: Douglas County Memorial Hospital ($12.7 million), Douglas Electric Cooperative Inc ($3.7 million), Douglas County Memorial Hospital Foundation ($51,246).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Douglas County Memorial Hospital | Health care | 501(c)(3) | 1988 | $12.7 million | $19.3 million | 2025-05 |
| Douglas Electric Cooperative Inc | 501(c)(12) | 1950 | $3.7 million | $11.1 million | 2025-12 | |
| Douglas County Memorial Hospital Foundation | Health care | 501(c)(3) | 2014 | $51,246 | $1.4 million | 2025-12 |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| Ancient Free & Accepted Masons of South Dakota 97 Arcania | 501(c)(10) | 1971 | $0 | $0 | 2025-12 | |
| Armour Parent Teacher Community Organization | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Armour Senior Citizen Center Incorporated | 501(c)(3) | 1978 | $0 | $0 | 2025-12 | |
| Catholic Daughters of the Americas | 501(c)(3) | 1972 | ||||
| Charles Mix County Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 1973 | $0 | $0 | 2026-01 |
| Douglas County Historical Society II | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Douglas County SD 4-H Leaders Association | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2025-06 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Order of the Eastern Star of South Dakota | 501(c)(10) | 1972 | $0 | $0 | 2025-12 | |
| Pleasant Ridge Cemetery Corporation | Mutual and membership benefit | 501(c)(13) | 2021 | $0 | $0 | 2025-12 |
| Redeemer Lutheran Church | 501(c)(3) | 1941 | ||||
| United States Bowling Congress Inc | Recreation and sports | 501(c)(3) | 2004 | $0 | $0 | 2025-07 |
| Veterans of Foreign Wars of United States Department of South Dakota | 501(c)(4) | 1967 | $0 | $0 | 2025-12 | |
| Veterans of Foreign Wars of the United States Department of South | Public and societal benefit | 501(c)(4) | 1964 | $0 | $0 | 2025-12 |
| Women in Action | 501(c)(4) | 1987 | $0 | $0 | 2025-12 |
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.