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Banks · South Dakota

Security National Bank Of South Dakota

Dakota Dunes, SD · FDIC Certificate #34394 · Chartered 05/0

Total assets
$251.46M
Total deposits
$194.73M
Total equity
$34.77M
Net loans
$170.31M
Branches (offices)
3
Net income (YTD)
$3.07M
Rank: #2,705 of 4,213 U.S. banks by assets · #32 of 56 in South Dakota. Assets changed 5.1% and deposits 2.6% over the year to June 30, 2026.
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Key ratios

Return on assets (YTD, annualized by FDIC)2.48%
Return on equity18.45%
Net interest margin (YTD)3.14%
Equity to assets13.83%
Tier 1 leverage ratio14.12%
Uninsured deposits (share of deposits)15.1%
Noncurrent loans (share of loans)0.00%
Net charge-offs (share of loans)0.00%
Loans to deposits87.5%
Real estate loans (share of loans)90.3%

Loan mix

CategoryAmountShare
Real estate loans$153.71M
90.3%
Commercial & industrial$10.07M
5.9%
Consumer / individual$6.75M
4.0%
Construction & development$3.33M
2.0%
Agricultural$115.00K
0.1%

Five-year trend (June snapshots)

PeriodTotal assetsDepositsNet income (year to date)Equity / net worth
Jun 2022$261.95M$222.80M$2.08M$25.93M
Jun 2023$214.63M$171.51M$2.16M$27.55M
Jun 2024$231.60M$187.71M$2.00M$29.01M
Jun 2025$239.23M$189.71M$2.36M$31.84M
Jun 2026$251.46M$194.73M$3.07M$34.77M

Where its branch deposits sit (FDIC Summary of Deposits)

StateBranch depositsOffices
South Dakota$194.73M3

Branch deposits are booked at the office that holds them, which is not always where the customer lives. Total across all offices: $194.73M.

Similar-sized banks

Lafayette State Bank ($252.19M) · Auburn State Bank ($251.33M)

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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