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Bank Deposits in Pennington County, South Dakota
Where bank deposits are booked in Pennington County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$3.27B
Bank offices
23
Banks present
10
Top 4 banks' share
64.8%
Deposit market share in Pennington County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | First Interstate Bank | $616.37M | 18.8% |
| 2 | Wells Fargo Bank, National Association | $565.64M | 17.3% |
| 3 | U.S. Bank National Association | $563.24M | 17.2% |
| 4 | Security First Bank | $373.78M | 11.4% |
| 5 | Black Hills Community Bank, N.A. | $364.74M | 11.1% |
| 6 | Pioneer Bank & Trust | $350.61M | 10.7% |
| 7 | Dacotah Bank | $196.67M | 6.0% |
| 8 | Bankwest, Inc. | $101.19M | 3.1% |
| 9 | First National Bank | $98.71M | 3.0% |
| 10 | First Western Federal Savings Bank | $40.56M | 1.2% |
Credit unions with branches in Pennington County
- Black Hills - 9 branches
- Sentinel - 5 branches
- Dakota Star - 2 branches
- Aspen - 2 branches
- Highmark - 1 branch
- Interfaith - 1 branch
- Dacotah - 1 branch
- Minuteman - 1 branch
- Rushmore Electric - 1 branch
Credit unions do not report deposits by branch, so only bank deposits are ranked above.
Deposits are booked at the branch office that holds them (FDIC Summary of Deposits), which is not always where the depositor lives - online banks concentrate deposits at a few offices.
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