Safest Banks in South Dakota 2026
South Dakota has 47 FDIC-insured banks with an average Bank Health Score of 84/100 (A). The safest bank is U S Bank Trust NA Sd with a score of 100/100.
Data from FDIC Q2 2024
47 South Dakota banks are ranked below by the BankHealth composite score. The composite weights Tier 1 capital ratio (35%), inverted non-performing loan ratio (30%), liquidity ratio (25%), and return on assets (10%) into a 0-100 grade.
Top-of-list banks combine strong capital with clean loan books and reasonable profitability. Bottom-of-list banks face pressure on one or more scoring factors — most often elevated NPL ratios or thin profitability margins. Each bank links to its full profile with multi-quarter trend charts, the four composite factor breakdowns, and the underlying FDIC Call Report data.
South Dakota's 47 FDIC-insured banks hold a combined $3.4T in assets. Their average Bank Health Score of 84/100 sits 4.0 points above the national average of 80/100. Across the state, 96% of banks earn an A or B grade for financial health, while 0% fall to a D or F.
The largest bank headquartered in South Dakota is Wells Fargo Bank NA with $1.7T in assets and a Bank Health Score of 84/100. The strongest by score is U S Bank Trust NA Sd in Sioux Falls (100/100, Tier 1 capital 100.48%). The weakest is Plains Commerce Bank at 60/100, dragged down by an NPL ratio of 1.06%.
All scores below come from the latest FDIC BankFind Call Report (Q2 2024). The Bank Health Score weights Tier 1 capital ratio (35%), nonperforming loan ratio (30%), liquidity ratio (25%), and return on assets (10%) — the four metrics regulators watch most closely when judging whether a bank is well-capitalized. Every bank with FDIC insurance covers up to $250,000 per depositor per ownership category, but the score helps you tell apart banks that are comfortably well-capitalized from those operating closer to the line.
Top 3 Safest Banks in South Dakota
U S Bank Trust NA Sd
Sioux Falls, SD
South Dakota's top-rated bank, with a Tier 1 capital ratio of 100.48% — well above the federal "well-capitalized" threshold of 8%. Holds $158M in assets.
Anchorage Digital Bank NA
Sioux Falls, SD
Second-strongest in the state on capital and loan quality. NPL ratio sits at 0.00% with $52M in total assets.
Richland State Bank
Bruce, SD
Third in the rankings on the Bank Health Score. Liquidity ratio of 58.00% and ROA of 3.49%.
Top 20 of 47 Banks in South Dakota
| # | Bank | City | Grade | Score | Tier 1 Capital | NPL Ratio |
|---|---|---|---|---|---|---|
| 1 | U S Bank Trust NA Sd | Sioux Falls | A | 100 | 100.48% | 0.00% |
| 2 | Anchorage Digital Bank NA | Sioux Falls | A | 100 | 84.52% | 0.00% |
| 3 | Richland State Bank | Bruce | A | 99 | 26.76% | 0.24% |
| 4 | Andes State Bank | Lake Andes | A | 99 | 25.61% | 0.00% |
| 5 | Pioneer Bank&Trust | Belle Fourche | A | 97 | 16.85% | 0.01% |
| 6 | Ipswich State Bank | Ipswich | A | 97 | 30.12% | 0.00% |
| 7 | Merchants State Bank | Freeman | A | 96 | 14.98% | 0.22% |
| 8 | Dnb National Bank | Clear Lake | A | 96 | 21.27% | 0.12% |
| 9 | First Nb in Philip | Philip | A | 96 | 15.56% | 0.00% |
| 10 | First Premier Bank | Sioux Falls | A | 96 | 18.09% | 0.06% |
| 11 | Security Nb of South Dakota | Dakota Dunes | A | 94 | 14.17% | 0.00% |
| 12 | Bryant State Bank | Bryant | A | 94 | 17.43% | 0.41% |
| 13 | First State Bank of Roscoe | Roscoe | A | 93 | 22.61% | 1.23% |
| 14 | Bcorp Bank National Assn | Sioux Falls | A | 91 | 15.69% | 0.60% |
| 15 | Farmers State Bank of Turton | Turton | A | 91 | 21.53% | 0.00% |
| 16 | Citibank National Assn | Sioux Falls | A | 90 | 14.11% | 0.67% |
| 17 | First Fidelity Bank | Burke | A | 88 | 12.81% | 0.52% |
| 18 | Pathward National Assn | Sioux Falls | A | 86 | 13.02% | 0.96% |
| 19 | First National Bank | Fort Pierre | A | 85 | 24.50% | 0.52% |
| 20 | Quoin Financial Bank | Miller | A | 85 | 12.25% | 0.03% |
Bank Health Scores for South Dakota are calculated from FDIC Call Report data including Tier 1 capital ratios, nonperforming loan ratios, liquidity ratios, and return on assets.
Frequently Asked Questions
Based on our Bank Health Score analysis of FDIC data, U S Bank Trust NA Sd in Sioux Falls is currently the safest bank in South Dakota with a score of 100/100 (Grade A). It posts a Tier 1 capital ratio of 100.48% and a nonperforming loan ratio of 0.00%.
South Dakota has 47 FDIC-insured banks with a combined $3.4T in total assets. The average Bank Health Score across the state is 84/100 (Grade A).
South Dakota's average Bank Health Score of 84/100 is 4.0 points above the national average of 80/100. 96% of banks in South Dakota earn an A or B grade, compared with the national average grade of A.
Of 47 FDIC-insured banks headquartered in South Dakota, 33 earn an A, 12 a B, 2 a C, 0 a D, and 0 an F. The most common grade is A.
The Bank Health Score (0-100) is based on four FDIC-reported metrics: Tier 1 capital ratio (35% weight), nonperforming loan ratio (30%), liquidity ratio (25%), and return on assets (10%). Higher scores indicate stronger financial health. Every score uses the latest FDIC Call Report data.
Bank Health Scores are computed from quarterly FDIC Call Report data. Tier 1 capital ratio (35%), nonperforming loan ratio (30%), liquidity ratio (25%), and return on assets (10%).