Banks in Gillette, WY
Branches open
12
Banks present
9
Deposits (2026)
$1.5B
Closings on record
2
0 openings
Banks by deposits in Gillette (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 |
All branches
- First National Bank of Gillette — 319 S Gillette Ave$472M
- First Interstate Bank — 222 S Gillette Ave$254M
- Wells Fargo — 500 S Douglas Hwy$139M
- Security State Bank — 2124 S Douglas Hwy$107M
- First Interstate Bank — 2801 S Douglas Hwy$102M
- First Northern Bank of Wyoming — 200 S Kendrick Ave$100M
- Pinnacle Bank - Wyoming — 815 Madison St$85M
- First National Bank of Gillette — 2400 S Douglas Hwy$72M
- Buffalo Federal Bank — 2900 S Douglas Hwy$57M
- U.S. Bank — 509 S Douglas Hwy$39M
- First National Bank of Gillette — 520 Running W Dr$26M
- ANB Bank — 800 E 7th St$22M
Closings
- Bank of the West — Gillette, WYbank exits city520 EAST BOXELDER ROAD · closed December 3, 2021
- 2610 SOUTH DOUGLAS HIGHWAY · closed December 9, 2020
Transcribed from FDIC BankFind Suite active-location records, the annual Summary of Deposits and structure-change records. Deposit figures reflect the office to which deposits are reported and may not represent where depositors live.