Based in Washington, DC, PHILOSOPHICAL SOCIETY OF WASHINGTON operates as a Public Charity. The organization reported $161K in revenue, $116K in expenses, $687K in total assets for fiscal year 2025. Imperigo tracks 2 reported grant relationships connected to this organization totaling approximately $30K.
Educational, scientific, and professional society organized in 1871 by Joseph Henry (the first secretary of the Smithsonian) providing science lectures, education, and discussion to its members and the public for the promotion of science, the advancement of learning, and the free exchange of views among its members and attendees on scientific subjects. Lectures and the accompanying discussion are recorded and made available to all, free of charge, on the Society's video channels.
Showing up to 5 of 2 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $161K | $116K | $687K |
| 2024 | $133K | $101K | $597K |
| 2023 | $94K | $82K | $513K |
Between 2023 and 2025, reported annual revenue grew from $94K to $161K (+71%), with total assets most recently reported at $687K.
Interactive year-over-year charts and full filing details available with membership.
