Wilderness Society
1801 Pennsylvania Ave NW Ste 200, Washington, DC · IRS data through FY2025
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2025 | $38,258,071 | $38,049,546 | $102,087,828 |
| FY2024 | $42,032,659 | $43,478,669 | $93,338,312 |
| FY2023 | $39,217,935 | $47,392,193 | $83,510,241 |
| FY2022 | $62,637,504 | $42,780,220 | $85,788,281 |
| FY2021 | $42,014,694 | $35,248,927 | $81,335,524 |
| FY2020 | $39,480,932 | $33,877,281 | $67,069,175 |
| FY2019 | $35,045,245 | $34,573,495 | $63,211,767 |
| FY2018 | $42,837,683 | $33,149,175 | $62,625,935 |
| FY2017 | $30,081,869 | $31,030,390 | $54,927,875 |
| FY2016 | $31,206,439 | $28,710,530 | $55,021,306 |
| FY2015 | $27,281,585 | $28,072,471 | $52,396,909 |
| FY2014 | $31,433,422 | $26,696,867 | $54,389,992 |
| FY2013 | $38,513,090 | $27,529,052 | $48,868,581 |
| FY2012 | $24,862,909 | $31,420,103 | $37,166,893 |
Form 990 filings
The returns filed by Wilderness Society (EIN 53-0167933), 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
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $35,290,024 | 92% |
| Program service revenue | $200,954 | 1% |
| Other revenue | $2,767,093 | 7% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $28,641,871 | 75% |
| Management & general | $1,790,366 | 5% |
| Fundraising | $7,617,309 | 20% |
What the numbers show
- Contributions & grants made up 92% of total revenue in FY2025.
- Program services accounted for 75% of functional expenses, management & general 5%, and fundraising 20%.
- 75% of functional expenses went to program services in FY2025. That is higher than 18.9% of 37 Environment organizations in DC.
- Net assets covered about 32.2 months of expenses at the end of the reporting year. That puts it in the 87th percentile among 203 Environment organizations in DC.
- Total revenue was higher than 94.2% of 206 Environment organizations in DC.
- Total revenue rose from $24,862,909 in FY2012 to $38,258,071 in FY2025. Revenue increased in 7 and decreased in 6 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 5 of 14 reported years (FY2012, FY2015, FY2017, FY2023, FY2024).
- The highest revenue on record here is $62,637,504 in FY2022.
- Net assets grew from $37,166,893 to $102,087,828 between FY2012 and FY2025.
- Contributions and grants made up 85% of revenue in FY2012 and 92% in FY2025.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
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
UNITING PEOPLE TO PROTECT AMERICA'S WILD PLACES.
IRS status
| Ruling year | 1942 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | C340 — Environment (in DC) |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
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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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