Security National Bank of South Dakota: how it compares with its peers
Against 19 SD banks with half to twice its assets, Security National Bank of South Dakota's strongest measure in Q2 2026 is return on assets (2.48% vs. a 1.71% peer median). Its weakest relative measure is assets per employee ($6.6M vs. $8.7M).
| Measure | This bank | Peer median | Rank |
|---|---|---|---|
| Return on assets Annualized net income over average assets. | 2.48% | 1.71% | Top third Ahead of 89% of peers |
| Net interest margin Annualized net interest income over earning assets. | 3.14% | 3.99% | Bottom third Ahead of 16% of peers |
| Efficiency ratio Noninterest expense per dollar of revenue. Lower is better. | 42.78% | 53.09% | Top third Ahead of 84% of peers |
| Assets per employee Total assets over full-time-equivalent staff. | $6.6M | $8.7M | Bottom third Ahead of 11% of peers |
| Loans to deposits Net loans and leases over total deposits. | 87.46% | 87.39% | Context |
What it means for lending operations
Its efficiency ratio of 42.78% is better than the 53.09% peer median. Banks that already run lean usually find their next gains in loan growth: faster digital applications and fewer borrowers abandoning a slow document chase.
Banks closest in size
- Quoin Financial Bank Miller, SD · $251M
- Farmers State Bank Parkston, SD · $255M
- Commercial State Bank, of Wagner Wagner, SD · $260M
- Campbell County Bank, Inc. Herreid, SD · $241M
- Merchants State Bank Freeman, SD · $220M
- One American Bank Centerville, SD · $285M
Questions about Security National Bank of South Dakota
How big is Security National Bank of South Dakota?
Security National Bank of South Dakota, established in 1997, is headquartered in Dakota Dunes, SD. It reported $251M in total assets in its Q2 2026 FDIC call report and operates 3 offices.
What is Security National Bank of South Dakota's return on assets?
2.48% annualized in Q2 2026, against a 1.71% median for 19 SD banks with half to twice its assets, ahead of 89% of them.
What is Security National Bank of South Dakota's efficiency ratio?
42.78% in Q2 2026: it spent about 43 cents in noninterest expense for each dollar of revenue. The peer median is 53.09%, and lower is better.
Is Security National Bank of South Dakota growing its loans?
Net loans grew 15.6% over the year to Q2 2026, while deposits grew 2.6%.
Sources and method
Figures are from the FDIC’s public call report data for the quarter ending 06/30/2026, via FDIC BankFind. Return on assets and net interest margin are annualized year to date. Peers are SD banks with half to twice its assets in the same quarter, excluding this bank. The page refreshes daily, so new quarters appear as banks file. Compare another bank or see every South Dakota bank ranked.