Mission
The Highlands Historical Society formed to preserve, restore and interpret the historic mansion and grounds from 1794 to the present.
Highlands Historical Society, of Fort Washington, PA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $533K in revenue, $543K in expenses, $11.4M in total assets. 4 publicly reported grants to this organization, totaling roughly $336K, appear in IRS filings.
The Highlands Historical Society formed to preserve, restore and interpret the historic mansion and grounds from 1794 to the present.
Showing up to 5 of 4 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $533K | $543K | $11.4M |
| 2024 | $8.7M | $582K | $11.4M |
| 2023 | $301K | $324K | $3.3M |
| 2022 | $3.3M | $268K | $3.3M |
| 2021 | $61K | $124K | $235K |
Between 2021 and 2025, reported annual revenue grew from $61K to $533K (+778%), with total assets most recently reported at $11.4M.
Interactive year-over-year charts and full filing details available with membership.