Provisional. Ranked October 7, 2026 from the filings the IRS had published by then. Organizations have up to 10½ months after their year ends to file, so the list will change as the rest arrive.
| Rank | National | Organization | Growth | Revenue |
|---|---|---|---|---|
| 1 | 124 | Simply Hope Family Outreach INC Burley, ID · Mental health | 1,105% | $331K → $4.0M |
| 2 | 182 | Unega Mountain Dog Rescue Ketchum, ID · Animals | 800% | $234K → $2.1M |
| 3 | 238 | Faith Matters Foundation INC Meridian, ID | 653% | $312K → $2.3M |
| 4 | 542 | Advocates for Survivors of Domestic Hailey, ID | 352% | $1.9M → $8.5M |
| 5 | 743 | Wood River Community Young Men's Christian Association Inc Boise, ID · Recreation and sports | 274% | $3.5M → $13.1M |
| 6 | 930 | Clearwater Economic Development Assoc Lewiston, ID · Community improvement | 229% | $1.2M → $3.9M |