Skip to the page

Data / Nonprofits / Iowa / Sioux City / Arts, culture and humanities

Arts, culture and humanities nonprofits in Sioux City, IA: 35 registered with the IRS

35 arts, culture and humanities nonprofits are registered with the IRS in Sioux City, IA, 34 of them 501(c)(3) charities; the 21 that report revenue took in $11.7 million. The largest by revenue: Orpheum Theatre Preservation Project LTD ($2.7 million), Sioux City Symphony Orchestra Association ($2.2 million), Saturday in the Park Inc ($2.1 million).

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

OrganizationTypeSinceRevenueAssetsFiling
Orpheum Theatre Preservation Project LTD501(c)(3)1994$2.7 million$8.4 million2024-12
Sioux City Symphony Orchestra Association501(c)(3)1949$2.2 million$5.4 million2025-06
Saturday in the Park Inc501(c)(3)1996$2.1 million$674,0902025-12
Siouxland Expo Center501(c)(3)2018$985,850$17.9 million2024-12
Sioux City Lewis & Clark Interpretive Center501(c)(3)2003$828,258$4.8 million2025-06
Childrens Museum of Siouxland Inc501(c)(3)2016$769,028$4.9 million2025-06
Orpheum Theatre Endowment Inc501(c)(3)2002$481,727$7.2 million2024-12
Friends of FM 90501(c)(3)1977$474,410$2.9 million2025-06
Lamb Arts LTD501(c)(3)2006$256,708$932,7512025-12
Sioux City Community Theater501(c)(3)2018$140,511$263,2712025-07
Sioux City Museum & Historical Association501(c)(3)1968$123,383$368,1182025-06
Reach Youth and Family Theatre501(c)(3)2023$113,709$29,8462024-12
Sioux City Conservatory of Music501(c)(3)2012$93,271$305,7722025-12
North Stars Band Inc501(c)(3)2000$91,672$72,3422025-05
Sioux City Scottish Rite Buildingpreservation Corporation501(c)(3)2008$82,802$1 million2025-12
Mid America Transportation & Aviation Museum501(c)(3)1992$68,876$3.1 million2025-04
Flux Dance Company501(c)(3)2016$60,682$157,1732025-12
Urban Native Center501(c)(3)2019$53,344$3,0102024-12
Siouxland Heritage Foundation501(c)(3)2001$47,218$25,8282025-06
Vangarde Arts501(c)(3)2014$38,693$7,9142024-12
Castle On the Hill Association501(c)(3)1977$557$24,4502024-12
American Heartland Railroad Society501(c)(3)2024$0$02025-12
Art Sux501(c)(3)2022$0$02025-12
Girls of 68 Junior Pioneers501(c)(3)1999$0$02025-08
Great Plains Radio Theatre Project501(c)(3)2023$0$02025-12
Haus of Qui501(c)(3)2023$0$02024-09
Holmes Film501(c)(3)2020$0$02024-12
Indigenous Society Inc501(c)(3)2025$0$02024-12
Intersection A Cappella501(c)(7)2025
Missouri River Choral Society501(c)(3)2022$0$02024-12
Save the Airbase Chapel501(c)(3)2022$0$02024-12
Sioux City Fire & Rescue Historical Society501(c)(3)2013$0$02025-12
Siouxland Artists Inc501(c)(3)2010$0$02025-12
Siouxland Institute of Film Inc501(c)(3)2016$0$02025-12
Siouxland Masonic Center Inc501(c)(3)2026

Other causes in Sioux City, IA

Every nonprofit in Sioux City, IA · Arts, culture and humanities nonprofits across the state · 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.