| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Federal Bank & Trust | Bank | 2 | $512.5M | 31.68% |
| 2 | First Interstate Bank | Bank | 2 | $328.7M | 20.32% |
| 3 | First Northern Bank of Wyoming | Bank | 1 | $145.4M | 8.99% |
| 4 | Security State Bank | Bank | 1 | $97.7M | 6.04% |
| 5 | Sheridan Community Federal Credit Union | Credit union | 1 | $93.5M* | 5.78% |
| 6 | U.S. Bank National Association | Bank | 1 | $69.5M | 4.30% |
| 7 | Campco Federal Credit Union | Credit union | 1 | $66.0M* | 4.08% |
| 8 | Wells Fargo Bank, National Association | Bank | 1 | $65.1M | 4.03% |
| 9 | Sunlight Federal Credit Union | Credit union | 1 | $47.3M* | 2.93% |
| 10 | Cowboy State Bank | Bank | 2 | $44.4M | 2.74% |
| 5 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $1.62B | 15 | 18 | First Federal Bank & Trust | 31.7% | 1,652 |
| 2025 | $1.57B | 15 | 18 | First Federal Bank & Trust | 32.1% | 1,699 |
| 2024 | $1.53B | 15 | 18 | First Federal Bank & Trust | 33.0% | 1,823 |
| 2023 | $1.54B | 14 | 17 | First Federal Bank & Trust | 32.1% | 1,804 |
| 2022 | $1.58B | 14 | 17 | First Interstate Bank | 27.4% | 1,656 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.