Sierra Club
Oakland, CA 94612 · IRS data through FY2025
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2025 | $83,752,990 | $84,895,816 | $113,365,552 |
| FY2024 | $169,031,870 | $171,800,410 | $111,253,422 |
| FY2023 | $173,425,083 | $172,273,486 | $108,422,255 |
| FY2022 | $167,540,907 | $169,420,068 | $96,006,149 |
| FY2021 | $152,093,074 | $151,559,247 | $101,561,270 |
| FY2020 | $152,278,896 | $153,637,760 | $80,137,052 |
| FY2019 | $156,717,329 | $150,434,351 | $81,491,888 |
| FY2018 | $143,677,959 | $141,929,492 | $70,477,891 |
| FY2017 | $141,369,673 | $128,363,240 | $79,859,667 |
| FY2016 | $115,963,544 | $112,528,671 | $62,266,629 |
| FY2015 | $109,178,887 | $107,847,576 | $62,768,086 |
| FY2014 | $104,369,291 | $102,085,719 | $64,608,211 |
| FY2013 | $98,154,894 | $97,891,373 | $63,404,147 |
Form 990 filings
The returns filed by Sierra Club (EIN 94-1153307), 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 | $75,445,313 | 90% |
| Program service revenue | $6,069,884 | 7% |
| Other revenue | $2,237,793 | 3% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $68,613,824 | 81% |
| Management & general | $12,273,763 | 14% |
| Fundraising | $4,008,229 | 5% |
What the numbers show
- Contributions & grants made up 90% of total revenue in FY2025.
- Program services accounted for 81% of functional expenses, management & general 14%, and fundraising 5%.
- 81% of functional expenses went to program services in FY2025.
- Net assets covered about 16 months of expenses at the end of the reporting year.
- Total revenue fell from $98,154,894 in FY2013 to $83,752,990 in FY2025. Revenue increased in 8 and decreased in 4 of 12 year-over-year comparisons.
- Expenses exceeded revenue in 4 of 13 reported years (FY2020, FY2022, FY2024, FY2025).
- The highest revenue on record here is $173,425,083 in FY2023.
- Net assets grew from $63,404,147 to $113,365,552 between FY2013 and FY2025.
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
TO EXPLORE, ENJOY, AND PROTECT THE WILD PLACES OF THE EARTH; PRACTICE AND PROMOTE RESPONSIBLE USE OF THE EARTH'S ECOSYSTEMS AND RESOURCES; EDUCATE AND ENLIST HUMANITY TO PROTECT AND RESTORE THE QUALITY OF THE NATURAL AND HUMAN ENVIRONMENT; AND USE ALL LAWFUL MEANS TO CARRY OUT THESE OBJECTIVES.
IRS status
| Ruling year | 1968 |
| Subsection | 501(c)(4) |
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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