Banks in Campbell County, Wyoming
12 active bank branches operated by 9 institutions, per FDIC records.
Active branches
12
Banks present
9
Deposits (2026)
$1.5B
Closings since 2020
2
0 openings
Largest banks by deposits in Campbell County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| First National Bank of Gillette | $570M | 38.6% | 3 |
| First Interstate Bank | $356M | 24.1% | 2 |
| Wells Fargo | $139M | 9.4% | 1 |
| Security State Bank | $107M | 7.3% | 1 |
| First Northern Bank of Wyoming | $100M | 6.8% | 1 |
| Pinnacle Bank - Wyoming | $85M | 5.8% | 1 |
| Buffalo Federal Bank | $57M | 3.8% | 1 |
| U.S. Bank | $39M | 2.7% | 1 |
| ANB Bank | $22M | 1.5% | 1 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.