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Capital · South Dakota

US Banks with Highest CET1 Capital Ratio in South Dakota

Ranked among banks headquartered in South Dakota. Re-ranked 1-30 within the state from the same national ranking population.

#1 CET1 Capital Ratio: U.S. BANK TRUST NATIONAL ASSOCIATION SD — 475.17% . The Common Equity Tier 1 (CET1) ratio is the most-watched US bank capital metric, measuring common equity against risk-weighted assets.

Ranked: 30 banks with reported data Showing: Top 30 Source: FFIEC call reports (Q1 2026) What is this metric? See the US Banks with … glossary entry
# Bank HQ US Banks with … Total Assets
1 U.S. Bank Trust N.A. Sd Sioux Falls , SD 475.17% $189.9M
2 First State Bank of Roscoe Roscoe , SD 23.97% $152.3M
3 First National Bank Fort Pierre , SD 23.95% $2.05B
4 First Savings Bank Beresford , SD 23.22% $1.59B
5 Dnb National Bank Clear Lake , SD 22.77% $119.6M
6 1st Financial Bank USA Dakota Dunes , SD 21.27% $1.33B
7 First National Bank Oldham , SD 20.31% $484.3M
8 First Premier Bank Sioux Falls , SD 20.11% $3.55B
9 Pioneer Bank & Trust Belle Fourche , SD 18.19% $985.9M
10 First National Bank in Philip Philip , SD 15.70% $465.7M
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11 American Bank & Trust Sioux Falls , SD 15.30% $2.24B
12 One American Bank Centerville , SD 15.25% $360.3M
13 Citibank, N.A. Sioux Falls , SD 14.95% $1.93T
14 Bancorp Bank N.A., the Sioux Falls , SD 14.06% $9.90B
15 Reliabank Dakota Estelline , SD 14.03% $757.8M
16 First National Bank in Sioux Falls, the Sioux Falls , SD 13.99% $2.11B
17 Cortrust Bank N.A. Mitchell , SD 13.42% $1.58B
18 First Fidelity Bank Burke , SD 13.28% $702.2M
19 Pathward, N.A. Sioux Falls , SD 13.24% $7.11B
20 Wells Fargo Bank, N.A. Sioux Falls , SD 12.58% $1.85T
21 Quoin Financial Bank Miller , SD 12.45% $244.8M
22 Farmers and Merchants State Bank Plankinton , SD 12.00% $172.9M
23 Bankstar Financial Elkton , SD 11.76% $357.8M
24 Dacotah Bank Aberdeen , SD 11.32% $4.87B
25 Frontier Bank Sioux Falls , SD 11.15% $344.8M
26 First Dakota National Bank Yankton , SD 11.04% $3.30B
27 Heartland State Bank Redfield , SD 10.86% $156.0M
28 Security Savings Bank Canton , SD 10.67% $549.6M
29 Bankwest, Incorporated Pierre , SD 10.66% $1.92B
30 Rivers Edge Bank Marion , SD 10.15% $346.3M

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. This leaderboard excludes banks with total assets under $100,000K to filter out anomalous micro-bank ratios. See /data-updates/ for the current data freshness window.

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