LOWELL OBSERVATORY is a Public Charity headquartered in FLAGSTAFF, AZ. Financial data from the 2025 filing: $19.6M revenue, $22.2M expenses, $97.9M total assets. 104 publicly reported grants to this organization, totaling roughly $31.7M, appear in IRS filings.
THE MISSION OF LOWELL OBSERVATORY IS TO PURSUE THE STUDY OF ASTRONOMY, ESPECIALLY THE STUDY OF OUR SOLAR SYSTEM AND ITS EVOLUTION; TO CONDUCT PURE RESEARCH IN ASTRONOMICAL PHENOMENA; AND TO MAINTAIN QUALITY PUBLIC EDUCATION AND OUTREACH PROGRAMS TO BRING THE RESULTS OF ASTRONOMICAL RESEARCH TO THE PUBLIC.
How Lowell Observatory divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Showing up to 5 of 104 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $19.6M | $22.2M | $97.9M |
| 2024 | $11.9M | $19.5M | $102.6M |
| 2023 | $20.2M | $18.6M | $85.4M |
| 2022 | $20.0M | $19.2M | $79.0M |
| 2021 | $22.8M | $16.1M | $78.4M |
Between 2021 and 2025, reported annual revenue declined from $22.8M to $19.6M (-14%), with total assets most recently reported at $97.9M.
Interactive year-over-year charts and full filing details available with membership.
