Updated April 2026
Arts, Culture & HumanitiesArts, Culture & Humanities Charities in California
41 arts, culture & humanities nonprofits headquartered in California report combined revenue of $3.3B on their most recent IRS Form 990 filings, with an average Efficiency Score of 69/100.
The Arts, Culture & Humanities category covers museums, performing-arts organizations, libraries, historical societies, and cultural-heritage groups. 289 entities, $22.0B combined revenue.
Average efficiency in the Arts, Culture & Humanities category is 69/100. Cultural organizations rely on a mix of earned revenue (admissions, tickets), endowment income, and individual donor cycles, which makes the financial pattern distinct from grant-funded program nonprofits. This view filters the category down to California only. State-level subsets are useful for donors and grant-makers who want to focus support on local organizations.
What the Arts, Culture & Humanities × California Numbers Show
California is a major center for arts, culture & humanities nonprofits, with 41 organizations filing under both the Arts, Culture & Humanities NTEE category and a California principal office. Combined revenue across the group runs into hundreds of millions or more.
Arts, Culture & Humanities in California narrows 41 organizations down to the intersection of one IRS NTEE category and one state of principal office. The combined view gives a workable head-to-head comparison set for donors focused on a specific region and cause area.
The 41 arts, culture & humanities nonprofits in California in this view together report $3.3B in combined annual revenue on their most recent IRS Form 990 filings. Median revenue is $61.9M, and the simple average is $81.4M — a gap that reflects the long-tail distribution typical of the nonprofit sector, where a handful of large organizations account for most aggregate dollars.
Across the 41 arts, culture & humanities nonprofits in California we track, 0 earn an A and 30 earn a B on the Efficiency Score (combined 73% in the top two tiers, with A-grade organizations alone at 0%). Another 11 land at C, 0 at D, and 0 at F — a combined 0% in the bottom two tiers based on program ratio, reserves, growth consistency, and CEO-comp ratio drawn from each organization's most recent Form 990.
Executive compensation detail is reported on Schedule J of the Form 990 and is not always present for every organization in this list — particularly the smaller filers using Form 990-EZ.
Crystal Stairs Inc
Educational Media Foundation
Los Angeles Philharmonic Association
Museum Associates
Henry E Huntington Library & Art Gallery
Lucas Museum Of Narrative Art
Segerstrom Center For The Arts
Internews Network
California Institute Of The Arts
Kqed Inc
San Diego Symphony Orchestra Association
San Francisco Opera Association
Los Angeles County Museum Of Natural History Foundation
Academy Museum Foundation
Academy Foundation
California Science Center Foundation
The Colburn School
California Academy Of Sciences
San Francisco Symphony
Performing Arts Center Of Los Angeles County
San Antonio Valley Ranch Llc
San Francisco Museum Of Modern Art
The Exploratorium
San Francisco Ballet Association
Corporation Of The Fine Arts Museums
Center Theatre Group Of Los Angeles
Uss Midway Museum
American Film Institute Inc
Los Angeles Opera Company
Jserra Catholic High School
Public Media Group Of Southern California
Southern California Public Radio
Common Sense Media
Real Life Ministry
Broad Art Foundation
Simon Wiesenthal Center Inc
Asian Art Museum Foundation Of San Francisco
Armand Hammer Museum Of Art And Cultural Center Inc
Old Globe Theatre
Kvie Inc
San Francisco Ballet Endowment Foundation
How to Use This Cross-Section
Pages that intersect a single NTEE category and a single state are the most apples-to-apples comparison NonprofitTruth offers. The donor question they answer is narrow: among the arts, culture & humanities charities operating from a California office, how does Organization X compare on financial structure to Organization Y? Sort by revenue first to keep scale roughly constant, then sort by Efficiency Score within a tier.
The NonprofitTruth Efficiency Score is a 0–100 composite that summarizes four signals from the Form 990: program-spending ratio (50% of the score), revenue-growth consistency over multiple years (20%), months of fund reserves on the balance sheet (20%), and CEO compensation as a share of revenue (10%). The grade A–F mapping is purely descriptive — it summarizes the financial structure that the 990 reveals, not the social impact, program quality, or outcomes of the work the organization does. Donors evaluating impact should pair these financial signals with program-level evaluations from sources like Charity Navigator, GiveWell, or the organization's own audited reports.
For a broader view of arts, culture & humanities nationwide, see the all-states Arts, Culture & Humanities page; for every nonprofit in California, see the California state page. Both views are linked at the bottom of this page.
Source Data and Verification
All financials on this page come from each organization's IRS Form 990 — the federal information return that 501(c)(3) public charities, private foundations, and most other tax-exempt organizations must file annually. The Form 990 is a public document. We ingest it primarily through the ProPublica Nonprofit Explorer feed, which mirrors the IRS Tax-Exempt Organization Search dataset. Original e-file XML and PDF copies of any return can be looked up directly at the IRS, ProPublica, or the Candid (formerly GuideStar) directory.
Every nonprofit in this list links to a profile page that cites the source filing year. The original Form 990 is available free at the IRS Tax Exempt Organization Search, the ProPublica Nonprofit Explorer, and the Candid (GuideStar) directory.
Frequently Asked Questions
How many arts, culture & humanities nonprofits are based in California?
41 organizations are categorized as Arts, Culture & Humanities on the IRS Form 990 and list a California principal office address. Combined annual revenue is $3.3B; average Efficiency Score across the group is 69/100.
Are these all the arts, culture & humanities charities operating in California?
Not necessarily. The list reflects organizations whose Form 990 lists California as the principal office. National arts, culture & humanities charities that operate programs in California but headquarter elsewhere appear in their home state’s page instead.
What does the average Efficiency Score of 69/100 represent?
It is the simple average of the NonprofitTruth Efficiency Score across the 41 organizations on this page. The Score weights program-spending ratio (50%), revenue-growth consistency (20%), reserves (20%), and CEO-comp ratio (10%). It is descriptive of financial structure, not of program impact.
Why might two arts, culture & humanities nonprofits in California score very differently?
Common drivers: a difference in revenue scale (which affects fixed-cost ratios), a capital-campaign year on one side that distorts the program ratio, a reliance on professional fundraisers (counted outside program services on Form 990), or a different mix of program-vs-administrative classification by the organization’s auditor. The 990’s Schedule O narrative usually explains unusual movements.
Where can I see the original Form 990 for these arts, culture & humanities charities?
Each organization links to a profile that cites the source filing year. From the profile, the original return is one click away on the IRS Tax Exempt Organization Search and on the ProPublica Nonprofit Explorer.
41 arts, culture & humanities nonprofits headquartered in California report combined revenue of $3.3B on their most recent IRS Form 990 filings, with an average Efficiency Score of 69/100.