American Philosophical Society

EIN 23-1353269501(c)(3)Public charityActive

104 S 5th St, Philadelphia, PA · IRS data through FY2024

Total revenue
$20,391,804
FY2024 · +53% vs FY2023
Total expenses
$15,571,638
FY2024
Net assets
$302,532,591
FY2024
Employees
83
FY2024

Revenue, expenses and net assets

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Revenue Expenses Net assets

Tax yearRevenueExpensesNet assets
FY2024$20,391,804$15,571,638$302,532,591
FY2023$13,318,942$14,213,316$283,812,453
FY2022$12,299,474$13,165,105$259,590,493
FY2021$31,170,811$11,610,685$282,969,025
FY2020$17,828,894$11,541,667$258,327,241
FY2019$21,714,430$12,205,000$239,692,056
FY2018$9,021,846$11,656,296$207,398,570
FY2017$13,798,840$10,251,546$227,397,043
FY2016$21,678,657$9,423,152$194,092,247
FY2015$16,397,083$8,847,455$182,329,999
FY2014$19,516,693$9,977,835$190,139,755
FY2013$17,265,388$8,987,920$182,551,931
FY2012$8,807,410$8,413,753$158,973,880
FY2011$6,264,978$9,939,346$141,526,418

Form 990 filings

The returns filed by American Philosophical Society (EIN 23-1353269), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.

Where the revenue came from

SourceAmount% of revenue
Contributions & grants$3,265,36616%
Program service revenue$150,9431%
Other revenue$16,975,49583%

Where the money was spent

CategoryAmount% of expenses
Program services$11,302,99273%
Management & general$3,472,98622%
Fundraising$795,6605%

What the numbers show

Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.

About this organization

The American Philosophical Society, the oldest learned society in the United States, was founded in 1743 by Benjamin Franklin for the purpose of "promoting useful knowledge." In the 21st century the Society sustains this mission with various programs described further within.

IRS status

Ruling year1934
Subsection501(c)(3)
ClassificationPublic charity
Program area (NTEE)A700 — Arts, Culture & Humanities (in PA)
DonationsListed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).

Similar organizations

Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.

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