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Bank Deposits in Union County, South Dakota
Where bank deposits are booked in Union County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$773.17M
Bank offices
11
Banks present
9
Top 4 banks' share
76.5%
Deposit market share in Union County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | Liberty National Bank | $242.32M | 31.3% |
| 2 | Premier Bank | $152.82M | 19.8% |
| 3 | First Savings Bank | $107.42M | 13.9% |
| 4 | Security National Bank Of South Dakota | $89.26M | 11.5% |
| 5 | Central Bank | $56.06M | 7.3% |
| 6 | Pioneer Bank | $51.60M | 6.7% |
| 7 | First Dakota National Bank | $43.35M | 5.6% |
| 8 | Peoples Bank | $18.89M | 2.4% |
| 9 | 1St Financial Bank Usa | $11.44M | 1.5% |
Credit unions with branches in Union County
- Siouxland - 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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