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Data / Nonprofits / Iowa / Rock Rapids

Nonprofits in Rock Rapids, IA: 48 registered with the IRS

48 nonprofits are registered with the IRS in Rock Rapids, IA, 33 of them 501(c)(3) charities; the 16 that report revenue took in $72.8 million. The largest by revenue: L & O Power Cooperative ($43.1 million), Lyon Rural Electric Cooperative ($15.1 million), Lyon and Sioux Rural Water System Inc ($5.2 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (3), religion-related (3), mutual and membership benefit (3).

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
L & O Power Cooperative501(c)(12)1961$43.1 million$80.5 million2024-12
Lyon Rural Electric Cooperative501(c)(12)1940$15.1 million$35.4 million2025-12
Lyon and Sioux Rural Water System Inc501(c)(12)1977$5.2 million$37.8 million2025-12
Lyon County Riverboat Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(4)2010$3.4 million$2.2 million2025-12
Merrill Pioneer Community HospitalHealth care501(c)(3)1961$1.8 million$24.6 million2025-06
Rock Rapids Kids Club IncHuman services501(c)(3)2007$1.2 million$2.7 million2025-04
Lyon County Fair AssociationRecreation and sports501(c)(3)1996$1.1 million$810,6422025-10
Touch of Hope IncInternational, foreign affairs and national security501(c)(3)2024$957,973$789,7212025-06
Atlas of Lyon CountyReligion-related501(c)(3)2006$322,503$959,6232025-12
Rock River Golf & Country Club Inc501(c)(7)1968$307,259$479,8932025-09
Central Lyon School Foundation IncEducation501(c)(3)2001$174,305$1.2 million2025-06
Iowa Farm Bureau Federation501(c)(5)1965$130,488$1.4 million2025-12
Rock Rapids Chamber of Commerce501(c)(6)1976$76,147$173,1912024-12
Central Lyon Community School District Veba TrustMutual and membership benefit501(c)(9)2016$59,190$289,5212025-06
Veterans of Foreign Wars of the United States Dept of Iowa501(c)(19)1951$49,129$95,2652025-12
Ancient Free & Accepted Masons of IowaMutual and membership benefit501(c)(10)1941$0$02025-08
Catholic Daughters of the Americas501(c)(3)1972
Celebration Community FellowshipReligion-related501(c)(3)1999
Central Lyon Education Association501(c)(5)1992$0$02025-08
Department of Iowa Auxiliary To the Veterans of Foreign WarsPublic and societal benefit501(c)(19)2009$0$02026-06
Faith Baptist Church501(c)(3)1972
Friends of the Rock Rapids LibraryEducation501(c)(3)2006$0$02024-12
Future Farmers of America State Associations & Local Chapter501(c)(3)1945$0$02025-12
General Assembly of Christian Church Disciples501(c)(3)1951
Greater Than Ok IncCommunity improvement and capacity building501(c)(3)2024
Holy Name Church501(c)(3)1946
James W and Ella B Forster Charitable Trust501(c)(3)1988$1.6 million2026-06
Kiwanis International Inc501(c)(4)1951$0$02025-09
Lyon County Economic Development ConsortiumCommunity improvement and capacity building501(c)(3)2014$0$02025-12
Lyon County Historical Society501(c)(3)1973$0$02025-08
Lyon County Peace Officers Associat IonCrime and legal-related501(c)(3)2026
Lyon County Planning CouncilPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2004$0$02026-03
Lyon County Straight Shooters IncYouth development501(c)(3)2024$0$02025-12
Murray Trust501(c)(3)1973$1.5 million2025-12
Northwest Iowa Economic Development CorporationCommunity improvement and capacity building501(c)(3)2011$0$02025-12
Oaklyn FoundationMental health and crisis intervention501(c)(3)2018$0$02025-12
Peace Lutheran Church501(c)(3)1941
Rapids Theatre Preservation Society IncArts, culture and humanities501(c)(3)2011$0$02025-12
Rock Rapids Area Development Foundation Inc501(c)(3)1988$1.7 million2024-12
Rock Rapids Christian Reformed Church501(c)(3)1975
Rock Rapids Fire Coalition IncPublic safety, disaster preparedness and relief501(c)(3)2026
Rock Rapids Gun Club501(c)(4)2017$0$02024-12
Rock Rapids Mural Society IncArts, culture and humanities501(c)(3)2002$0$02025-12
Rock Rapids United Fund501(c)(3)2009$0$02025-12
Stewart Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1999$24,6022025-12
Truth HealsReligion-related501(c)(3)2014$0$02025-12
United States Bowling Congress IncRecreation and sports501(c)(3)2013$0$02025-07
Rock Rapids Development Corporation IncMutual and membership benefit501(c)(6)2014$-33,898$1.8 million2025-06

By cause in Rock Rapids, 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.