ISLE ROYALE NATURAL HISTORY ASSOCIATION, of Houghton, MI, is a Public Charity tracked in Imperigo's IRS 990 database. The 2024 filing shows $239K in revenue, $233K in expenses, $744K in total assets. 2 publicly reported grants to this organization, totaling roughly $14K, appear in IRS filings.
Partner with the National Park Service to promote public understanding, appreciation, enjoyment and protection of the natural and cultural resources of Isle Royale National Park and Keweenaw National Historical Park through education, outreach and research. This is accomplished by providing high-quality interpretive products and programs, supporting the parks' interpretive, preservation, conservation and research activities.
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 |
|---|---|---|---|
| 2024 | $239K | $233K | $744K |
| 2023 | $268K | $187K | $721K |
| 2022 | $232K | $184K | $618K |
| 2020 | $76K | $48K | $294K |
| 2019 | $183K | $155K | $275K |
Between 2019 and 2024, reported annual revenue grew from $183K to $239K (+31%), with total assets most recently reported at $744K.
Interactive year-over-year charts and full filing details available with membership.
