TellerScore

Side-by-side · Q2 2026 data

Security National Bank of South Dakota vs Service First Federal Credit Union

Bank

Security National Bank of South Dakota

Dakota Dunes, South Dakota · $100 million – $1 billion

93of 100
Very strong

Credit union

Service First Federal Credit Union

Sioux Falls, South Dakota · $100 million – $1 billion

65of 100
Moderate

Metric by metric

MeasureSecurity National Bank of South DakotaService First Federal Credit Union
TellerScore93 (stronger)65
Capital cushion91 (stronger)43
Loan quality100 (stronger)69
Earnings100 (stronger)53
Funding & liquidity73100 (stronger)
Problem-loan coverage100 (stronger)88
Peer percentile98th34th
Total assets$251.5M$209.7M
Deposits / shares$194.7M$191.3M
Capital ratio14.12% (stronger)9.29%
Problem loans0.00% (stronger)0.94%
Net charge-offs0.00% (stronger)0.46%
Return on assets2.48% (stronger)0.83%
Loans ÷ deposits87.5%57.4% (stronger)
Uninsured deposits15.1%3.9% (stronger)
Offices33
CFPB complaints (3 yrs)——
Complaints per $1B deposits——
Mortgage denial rate (HMDA)25.0%7.4%

Security National Bank of South Dakota has the higher TellerScore (93 vs 65). On the 7 directional measures above (where higher or lower is clearly better), Security National Bank of South Dakota leads on 5 and Service First Federal Credit Union on 2. Deposits are insured up to $250,000 per depositor, per ownership category, at both.

Where both have branches

Compare two institutions