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Security Bank Midwest
Tyndall, SD · FDIC Certificate #485 · Chartered 11/0
Total assets
$304.09M
Total deposits
$238.80M
Total equity
$28.56M
Net loans
$212.80M
Branches (offices)
6
Net income (YTD)
$1.17M
Rank: #2,445 of 4,213 U.S. banks by assets · #28 of 56 in South Dakota. Assets changed -7.2% and deposits -5.9% over the year to June 30, 2026.
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Key ratios
| Return on assets (YTD, annualized by FDIC) | 0.73% |
| Return on equity | 8.18% |
| Net interest margin (YTD) | 3.55% |
| Equity to assets | 9.39% |
| Tier 1 leverage ratio | 10.52% |
| Uninsured deposits (share of deposits) | 26.2% |
| Noncurrent loans (share of loans) | 0.40% |
| Net charge-offs (share of loans) | 0.00% |
| Loans to deposits | 89.1% |
| Real estate loans (share of loans) | 38.4% |
Loan mix
| Category | Amount | Share | |
|---|---|---|---|
| Real estate loans | $81.61M | 38.4% | |
| Commercial & industrial | $15.65M | 7.4% | |
| Consumer / individual | $1.10M | 0.5% | |
| Construction & development | $1.73M | 0.8% | |
| Agricultural | $111.61M | 52.4% |
Five-year trend (June snapshots)
| Period | Total assets | Deposits | Net income (year to date) | Equity / net worth |
|---|---|---|---|---|
| Jun 2022 | $278.03M | $239.89M | $2.16M | $20.07M |
| Jun 2023 | $293.20M | $238.23M | $1.55M | $22.39M |
| Jun 2024 | $340.50M | $271.06M | $1.91M | $24.60M |
| Jun 2025 | $327.68M | $253.74M | $1.30M | $26.60M |
| Jun 2026 | $304.09M | $238.80M | $1.17M | $28.56M |
Where its branch deposits sit (FDIC Summary of Deposits)
| State | Branch deposits | Offices |
|---|---|---|
| South Dakota | $188.89M | 4 |
| Minnesota | $49.91M | 2 |
Branch deposits are booked at the office that holds them, which is not always where the customer lives. Total across all offices: $238.80M.
Similar-sized banks
Global Bank ($304.25M) · Valley Bank Of Commerce ($304.07M)
Source: FDIC BankFind - Call Report and institution data as of June 30, 2026; branch deposits from the FDIC Summary of Deposits (June 30, 2026). See methodology.
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