Data / Nonprofits / South Dakota / Willow Lake
Nonprofits in Willow Lake, SD: 8 registered with the IRS
8 nonprofits are registered with the IRS in Willow Lake, SD, 5 of them 501(c)(3) charities; the 4 that report revenue took in $791,504. The largest by revenue: South Dakota Hereford Association ($461,875), Jakob Hohm Off-Road Adventure ($119,429), Willow Lake Area Advancement ($117,742).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| South Dakota Hereford Association | 501(c)(5) | 1954 | $461,875 | $372,975 | 2025-06 | |
| Jakob Hohm Off-Road Adventure | Recreation and sports | 501(c)(3) | 2018 | $119,429 | $167,851 | 2025-12 |
| Willow Lake Area Advancement | Community improvement and capacity building | 501(c)(3) | 2014 | $117,742 | $108,173 | 2025-12 |
| Willow Lake Community Day Care | Human services | 501(c)(3) | 2001 | $92,458 | $36,587 | 2025-12 |
| Good Hope | 501(c)(3) | 1988 | ||||
| Hark Hutterian Brethren Inc | 501(c)(40) | 2015 | ||||
| International Association of Lions Clubs | Community improvement and capacity building | 501(c)(4) | 1940 | $0 | $0 | 2025-06 |
| Willow Lake Lutheran Church | 501(c)(3) | 1966 |
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.