First Interstate Bank
2 detailed locations
Local banking directory
Search detailed locations Banks and Bank Branches in Spearfish, South Dakota
The FDIC reported 8 deposit-reporting offices from 6 institutions in Spearfish as of June 30, 2025. Bankular currently provides 10 detailed location pages with addresses, maps and directions.
FDIC-reported offices8
Institutions reporting6
Detailed location pages10
Reported branch deposits$735.3M
SOD reporting dateJune 30, 2025
Reported-office totals come from the annual FDIC Summary of Deposits survey. Maps and branch-detail links appear only for locations with a validated Bankular location page.
Market analysis
What the deposit data shows
Largest institutionPioneer Bank & Trust28.93% of deposits
Top three share81.36%
Deposit HHI2,370Moderate concentration
Current detailed pages102 more than the June 2025 SOD count
Pioneer Bank & Trust held 28.93% of reported branch deposits in Spearfish. The three largest institutions together held 81.36%. Bankular places the resulting HHI of 2,370 in its moderate concentration descriptive band.
Branch map
Detailed bank locations in Spearfish
Select a marker to open the detailed location page.
Detailed directory
Institutions with validated location pages
Pioneer Bank & Trust
2 detailed locations
Bank of England
1 detailed location
BankWest, Inc.
1 detailed location
Black Hills Community Bank
1 detailed location
Legends West Bank
1 detailed location
Sundance State Bank
1 detailed location
Wells Fargo Bank
1 detailed location
Location pages
Detailed bank locations in Spearfish
Bank of England
1 detailed locationBankWest, Inc.
1 detailed locationBlack Hills Community Bank
1 detailed locationFirst Interstate Bank
2 detailed locationsLegends West Bank
1 detailed locationPioneer Bank & Trust
2 detailed locationsSundance State Bank
1 detailed locationWells Fargo Bank
1 detailed locationLocal deposit market
Reported offices, deposits and market share
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| Pioneer Bank & Trust | 2 | $212.8M | 28.93% |
| Wells Fargo Bank | 1 | $202.4M | 27.52% |
| First Interstate Bank | 2 | $183.2M | 24.91% |
| Black Hills Community Bank | 1 | $64.4M | 8.76% |
| Legends West Bank | 1 | $64.4M | 8.76% |
| BankWest, Inc. | 1 | $8.2M | 1.12% |