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States · South Dakota

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

#BankBranch deposits hereShare
1First Interstate Bank$616.37M18.8%
2Wells Fargo Bank, National Association$565.64M17.3%
3U.S. Bank National Association$563.24M17.2%
4Security First Bank$373.78M11.4%
5Black Hills Community Bank, N.A.$364.74M11.1%
6Pioneer Bank & Trust$350.61M10.7%
7Dacotah Bank$196.67M6.0%
8Bankwest, Inc.$101.19M3.1%
9First National Bank$98.71M3.0%
10First Western Federal Savings Bank$40.56M1.2%

Credit unions with branches in Pennington County

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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