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Data / Nonprofits / Iowa / Okoboji

Nonprofits in Okoboji, IA: 18 registered with the IRS

18 nonprofits are registered with the IRS in Okoboji, IA, 17 of them 501(c)(3) charities; the 7 that report revenue took in $11.8 million. The largest by revenue: Conservation Foundation of Dickinson County ($6.4 million), The Spirit of Okoboji ($2.6 million), Pearson Lakes Art Center ($2.2 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (4), environment (4).

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

OrganizationCategoryTypeSinceRevenueAssetsFiling
Conservation Foundation of Dickinson CountyEnvironment501(c)(3)1998$6.4 million$1.6 million2024-12
The Spirit of OkobojiEnvironment501(c)(3)2018$2.6 million$11 million2025-12
Pearson Lakes Art CenterArts, culture and humanities501(c)(3)1968$2.2 million$14.1 million2025-12
Iowa Great Lakes BeautificationEnvironment501(c)(3)2019$273,932$4.4 million2025-12
Next Life FoundationEmployment501(c)(3)2015$177,073$31,3372025-12
Okoboji Protective Association501(c)(3)1994$100,898$243,6662025-12
Rotary International501(c)(4)1942$42,862$53,3712026-06
Arnolds Park Okoboji Fire and Rescue AssociationPublic safety, disaster preparedness and relief501(c)(3)2014$0$02025-12
Dwight and Marilyn Conover FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2010$8.5 million2025-12
George H Scanlon Foundation501(c)(3)1967$3.8 million2025-12
Good News Community Church Reformed Church in America501(c)(3)1986
Lakes Area Dog ParkRecreation and sports501(c)(3)2014$0$02025-06
Maser Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1997$4,0582025-12
Okoboji Foundation501(c)(3)1988$12025-06
Partners for the Future - Dickinson County Land Air and WaterEnvironment501(c)(3)2015$0$02023-12
The Joseph Andres Family FoundationHuman services501(c)(3)2000$10,2932025-12
Timothy and Joren Kinnetz Charitable FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2019$19,1402025-12
Wildwood Nature PreservePhilanthropy, voluntarism and grantmaking foundations501(c)(3)2009$1,3372025-12

By cause in Okoboji, IA

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.