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Data / Nonprofits / Iowa / Grinnell

Nonprofits in Grinnell, IA: 103 registered with the IRS

103 nonprofits are registered with the IRS in Grinnell, IA, 72 of them 501(c)(3) charities; the 38 that report revenue took in $484 million. The largest by revenue: The Trustees of Grinnell College ($361.9 million), Grinnell Regional Medical Center ($71.5 million), Grinnell College Medical Benefit Plan Trust Agreement ($14.9 million). Most common causes: education (9), recreation and sports (8), health care (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

OrganizationCategoryTypeSinceRevenueAssetsFiling
The Trustees of Grinnell CollegeEducation501(c)(3)1953$361.9 million$3.40 billion2025-06
Grinnell Regional Medical CenterHealth care501(c)(3)1997$71.5 million$36.2 million2024-12
Grinnell College Medical Benefit Plan Trust Agreement501(c)(9)1992$14.9 million$4.3 million2025-06
St Francis Manor Inc501(c)(3)1977$11.7 million$23.7 million2025-12
Mayflower Homes IncHuman services501(c)(3)1956$11.1 million$23.3 million2025-03
Greater Poweshiek Community FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1989$2.7 million$19.7 million2025-06
Grinnell Day Care Center IncHuman services501(c)(3)1971$1.2 million$858,6902025-08
Grinnell Regional Medical Center FoundationHealth care501(c)(3)1996$1.1 million$8.2 million2024-12
Soww CorpHuman services501(c)(3)2013$840,240$2.5 million2025-12
Grinnell School of MusicArts, culture and humanities501(c)(3)2023$519,883$739,1492025-06
Iowa Parks and Recreation Association Inc501(c)(3)1977$479,053$395,3142025-06
Poweshiek Area Housing Inc501(c)(3)1987$440,935$1.4 million2025-12
Mayflower Homes Foundation501(c)(3)1986$424,962$4.6 million2025-03
Midwest Conference IncRecreation and sports501(c)(3)2012$402,900$578,3412025-06
Central Iowa Christian SchoolEducation501(c)(3)2025$384,143$99,2742025-06
Grinnell Historical Museum SocietyArts, culture and humanities501(c)(3)2006$366,126$1.3 million2024-12
Poweshiek County Fair Association501(c)(5)1947$344,302$528,9992025-09
Second Mile Inc501(c)(3)1988$327,726$501,2362024-12
Grinnell Area Arts Council501(c)(3)1980$273,973$1.7 million2025-09
Diamond Trail Golf Club IncRecreation and sports501(c)(7)2002$271,900$373,8102025-12
Galaxy IncYouth development501(c)(3)2002$270,622$160,2032013-12
Chamber of Commerce of Grinnell501(c)(6)1972$253,311$307,2212024-12
Link IncHuman services501(c)(3)2019$231,991$163,8442025-06
Adopt-A-Family Local Foods ConnectionFood, agriculture and nutrition501(c)(3)2003$228,992$45,8512024-12
Poweshiek Economic Development CollaborativeCommunity improvement and capacity building501(c)(3)2005$223,984$513,6022026-06
Keokuk County Fair501(c)(5)1940$217,176$504,5952025-12
Poweshiek Animal League Shelter & Human SocietyAnimal-related501(c)(3)2004$203,157$485,2302025-12
Masons Light HouseHealth care501(c)(3)2022$178,444$252,5162025-06
St Francis Manor FoundationHealth care501(c)(3)2008$147,476$82,6432025-12
United Fund of Grinnell Iowa Inc501(c)(3)1971$109,546$95,9662025-07
Grinnell-Newburg BoostersEducation501(c)(3)1993$105,571$239,2942025-06
Fraternal Order of Eagles501(c)(8)1991$104,237$88,1302023-12
Midwest Economics Association501(c)(6)1964$92,123$128,6092025-06
Grinnell Volunteer Firefighters AssociationPublic safety, disaster preparedness and relief501(c)(3)2014$83,634$321,8142025-06
Benevolent & Protective Order of Elks of the USA501(c)(8)1951$77,514$112,1782026-03
Iowa Optometric Assistance Association IncHealth care501(c)(6)2006$62,336$16,4452025-06
Uncle Sams IncHousing and shelter501(c)(3)1997$41,384$224,6822025-12
Grinnell Youth Baseball Softball AssociationRecreation and sports501(c)(3)2023$17,140$19,3082020-12
Ahrens Park FoundationRecreation and sports501(c)(3)1999$6.4 million2025-06
American Chemical Society501(c)(3)1946$0$02025-12
American Legion501(c)(19)1946$0$02025-12
American Postal Workers Union501(c)(5)1973$0$02025-05
Ancient Free & Accepted Masons of Iowa501(c)(10)1941$0$02023-08
Beth Loomis Ministries501(c)(3)1970
Brownell Family Foundation RT 2501(c)(3)1986$2 million2025-12
Car Seats for the Littles IncPublic safety, disaster preparedness and relief501(c)(3)2014$62,7882024-12
Church of Christ501(c)(3)1991
Cohen Juvenile Practice SeriesEducation501(c)(3)2024$0$02025-12
First Baptist Church501(c)(3)1955
First Presbyterian Church501(c)(3)1964
Focht-Tennant Post 53 of the American LegionPublic and societal benefit501(c)(19)2025$0$02025-12
Fraternal Order of Eagles501(c)(8)1991$0$02025-05
Friends of Drake Community Library Inc501(c)(3)1993$0$02025-12
Future Farmers of America State Associations & Local Chapter501(c)(3)1945$0$02025-12
Gilman Saddle Club Inc of Gilman IowaRecreation and sports501(c)(7)2020$0$02025-10
Grace Community Church of the Christian and Missionary Alliance501(c)(3)1972
Green Linden PressArts, culture and humanities501(c)(3)2018$0$02025-12
Grinnell Fire AuxiliaryPublic safety, disaster preparedness and relief501(c)(3)2023$0$02025-12
Grinnell Lady Elks501(c)(4)1984$0$02025-12
Grinnell Mutual Group Foundation501(c)(3)1989$1 million2025-12
Grinnell Police Officers Associatio NPublic safety, disaster preparedness and relief501(c)(3)2026
Grinnell Sure Shots IncRecreation and sports501(c)(3)2024
Grinnell-Newburg Education Association501(c)(5)1988$0$02026-08
Helen T Stewart & Mildred Stewart Trust501(c)(92)$64,9922025-12
Immanuel Lutheran Church501(c)(3)1941
Independent Order of Odd FellowsMutual and membership benefit501(c)(8)1962$0$02026-04
International Association of Lions Clubs501(c)(4)1966$0$02025-06
Into the Light MovementPublic and societal benefit501(c)(3)2022$0$02025-12
Iowa Kitchen IncEducation501(c)(3)2021$0$02025-12
Iowa Yearly Meeting of Friends501(c)(3)1975
Izaak Walton League of America Inc501(c)(3)1985$0$02025-12
John M Campbell Trust501(c)(92)1900$5.9 million2025-12
Kiwanis Club of Greater Grinnell501(c)(4)1940
Knight of ColumbusMutual and membership benefit501(c)(8)1940$0$02024-12
Knights of Columbus501(c)(8)1940$0$02025-12
Ladies Malcom Cemetery Association501(c)(13)1952$0$02025-12
League of Women Voters of Iowa501(c)(3)2018$0$02026-05
Mayas Spark of Courage FoundationEducation501(c)(3)2025$0$12025-12
Mt Pleasant Primitive Baptist Church501(c)(3)1968
Myrtle Cass TrustPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1998$3 million2025-12
National Association of Letter Carriers501(c)(5)1944$0$02023-12
Optimist International501(c)(4)1958$0$02025-09
Pflag Grinnell-Poweshiek County501(c)(3)1994$0$02025-09
Poweshiek Cares IncCommunity improvement and capacity building501(c)(4)2013$0$02025-12
Poweshiek County Council On Aging IncFood, agriculture and nutrition501(c)(3)2014$0$02026-01
Poweshiek County Fair FoundationRecreation and sports501(c)(3)2012$82,0362025-12
Poweshiek County Heritage ParkArts, culture and humanities501(c)(3)2015$0$02025-12
Poweshiek Housing Development CorpCommunity improvement and capacity building501(c)(4)2025$0$02025-12
Prairie Thrift StoreHuman services501(c)(3)2026
Psi Chi the National Honor Society in Psychology501(c)(3)1957$0$02025-06
Ramsey Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2016$995,6952025-12
Read 2 LeadEducation501(c)(3)2019$0$02025-12
Rock Creek Lake AllianceEnvironment501(c)(3)2003$0$02025-12
Rotary International501(c)(4)1942$0$02025-06
Security Des Moines IncEducation501(c)(3)2016$0$02025-12
Sittig Foundation IncEducation501(c)(3)2021$8,7262025-12
Social Entrepreneurs of GrinnellInternational, foreign affairs and national security501(c)(3)2009$0$02026-05
Society for Italian Historical Studies501(c)(3)1973$0$02025-12
Sully Health Foundation IncHealth care501(c)(3)1992$0$02025-12
Tallgrass Prairie Audubon SocietyEnvironment501(c)(3)1992$0$02025-12
The Claude W and Dolly Ahrens Foundation CorporationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1997$7.7 million2024-06
Tiger Elite VBCRecreation and sports501(c)(3)2024
Veterans of Foreign Wars of the United States Dept of Iowa501(c)(19)1966$0$02025-12

By cause in Grinnell, IA

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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.