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Local banking directory

Banks and Bank Branches in Gillette, Wyoming

The FDIC reported 12 deposit-reporting offices from 9 institutions in Gillette as of June 30, 2025. Bankular currently provides 12 detailed location pages with addresses, maps and directions.

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FDIC-reported offices12
Institutions reporting9
Detailed location pages12
Reported branch deposits$1.41B
SOD reporting dateJune 30, 2025

Market analysis

What the deposit data shows

FDIC SOD, June 30, 2025
Largest institutionFirst National Bank of Gillette36.93% of deposits
Top three share71.88%
Deposit HHI2,255Moderate concentration
Current detailed pages12Matches the June 2025 SOD office count

First National Bank of Gillette held 36.93% of reported branch deposits in Gillette. The three largest institutions together held 71.88%. Bankular places the resulting HHI of 2,255 in its moderate concentration descriptive band.

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Local deposit market

Reported offices, deposits and market share

FDIC SOD, June 30, 2025
InstitutionReported officesDepositsShare
First National Bank of Gillette3$521.0M36.93%
First Interstate Bank2$354.5M25.13%
Wells Fargo Bank1$138.6M9.82%
Security State Bank1$99.7M7.07%
Pinnacle Bank - Wyoming1$99.6M7.06%
First Northern Bank of Wyoming1$89.8M6.36%
Buffalo Federal Bank1$54.0M3.83%
U.S. Bank1$34.9M2.47%
ANB Bank1$18.7M1.33%