The Security National Bank of Sioux City, Iowa is a national bank headquartered in Sioux City, Iowa, in business for about 142 years. At the end of Q2 2026 it reported $1.7B in total assets and $1.3B in deposits, with 10 offices.
The Security National Bank of Sioux City, Iowa has a TellerScore of 81 out of 100 (strong) based on Q2 2026 data — higher than 91% of its 897 banks with $1 billion – $10 billion. Among 226 banks headquartered in Iowa, it ranks 54th. Problem-loan coverage contributes the most (97/100, 1.4%); funding & liquidity contributes the least (45/100, 91% loans-to-deposits, 37% uninsured).
TellerScore · Q2 2026
Scorecard
The TellerScore is our own summary of the figures this institution reports publicly; it is not issued or endorsed by any government agency. It is not a prediction, and deposits within insurance limits are protected either way.
9 quarters
Health trend
From Q2 2025 to Q2 2026, the score rose 4 points (77 → 81), mostly because the earnings component improved by 10 points.
Show as table
| Quarter | TellerScore |
|---|---|
| Q2 2024 | 80 |
| Q3 2024 | 81 |
| Q4 2024 | 76 |
| Q1 2025 | 75 |
| Q2 2025 | 77 |
| Q3 2025 | 78 |
| Q4 2025 | 77 |
| Q1 2026 | 80 |
| Q2 2026 | 81 |
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| Quarter | Tier 1 leverage ratio |
|---|---|
| Q2 2024 | 12.36% |
| Q3 2024 | 12.70% |
| Q4 2024 | 12.18% |
| Q1 2025 | 12.31% |
| Q2 2025 | 12.38% |
| Q3 2025 | 12.79% |
| Q4 2025 | 12.38% |
| Q1 2026 | 12.77% |
| Q2 2026 | 12.79% |
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| Quarter | Noncurrent loans |
|---|---|
| Q2 2024 | 0.05% |
| Q3 2024 | 0.04% |
| Q4 2024 | 0.26% |
| Q1 2025 | 0.58% |
| Q2 2025 | 0.46% |
| Q3 2025 | 0.47% |
| Q4 2025 | 0.43% |
| Q1 2026 | 0.42% |
| Q2 2026 | 0.26% |
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| Quarter | Return on assets |
|---|---|
| Q2 2024 | 1.49% |
| Q3 2024 | 1.48% |
| Q4 2024 | 1.39% |
| Q1 2025 | 1.49% |
| Q2 2025 | 1.54% |
| Q3 2025 | 1.61% |
| Q4 2025 | 1.55% |
| Q1 2026 | 1.76% |
| Q2 2026 | 1.79% |
| Quarter | Score | Assets | Capital | Problem loans | ROA | Loans/deposits |
|---|---|---|---|---|---|---|
| Q2 2026 | 81 | $1.7B | 12.79% | 0.26% | 1.79% | 90.8% |
| Q1 2026 | 80 | $1.7B | 12.77% | 0.42% | 1.76% | 84.9% |
| Q4 2025 | 77 | $1.7B | 12.38% | 0.43% | 1.55% | 85.2% |
| Q3 2025 | 78 | $1.7B | 12.79% | 0.47% | 1.61% | 84.0% |
| Q2 2025 | 77 | $1.6B | 12.38% | 0.46% | 1.54% | 85.0% |
| Q1 2025 | 75 | $1.7B | 12.31% | 0.58% | 1.49% | 81.9% |
| Q4 2024 | 76 | $1.6B | 12.18% | 0.26% | 1.39% | 88.8% |
| Q3 2024 | 81 | $1.6B | 12.70% | 0.04% | 1.48% | 86.8% |
| Q2 2024 | 80 | $1.6B | 12.36% | 0.05% | 1.49% | 86.2% |
897 peers · $1 billion – $10 billion
How it compares with peers
Percentile against banks of similar size nationwide (100th = best among peers; for ratios where lower is better, the scale is flipped).
Similar-size banks in Iowa
| Institution | Score | Assets | Capital | Problem loans | Compare |
|---|---|---|---|---|---|
| CBI Bank & TrustBank Muscatine, IA | 64 out of 100, Moderate | $1.7B | 10.2% | 1.01% | vs |
| Lincoln Savings BankBank Reinbeck, IA | 27 out of 100, Low | $1.7B | 9.1% | 4.32% | vs |
| Availa BankBank Carroll, IA | 65 out of 100, Moderate | $1.7B | 9.3% | 0.26% | vs |
| Community State BankBank Ankeny, IA | 76 out of 100, Strong | $1.7B | 11.7% | 0.19% | vs |
| Farmers State BankBank Waterloo, IA | 72 out of 100, Strong | $1.6B | 11.2% | 0.01% | vs |
| First Citizens BankBank Mason City, IA | 81 out of 100, Strong | $1.8B | 12.0% | 0.16% | vs |
Deposit insurance
Is my money safe at The Security National Bank of Sioux City, Iowa?
Yes. The Security National Bank of Sioux City, Iowa is an FDIC-insured institution (FDIC certificate #4506). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.
An estimated 37.3% of deposits ($488.8M) are above the $250,000 FDIC insurance limit, above the peer median of 31%. Insured balances are protected regardless of the score.
The tier 1 leverage ratio is 12.79%, well above the 5% level regulators use as the "well capitalized" benchmark for this measure. Its total risk-based capital ratio is 0.00% (benchmark: 10%).
10 locations
Branches
The Security National Bank of Sioux City, Iowa lists 10 offices in 7 cities. Most locations:
- Sioux City, IA (4)
- Akron, IA (1)
- Lawton, IA (1)
- Mapleton, IA (1)
- Moville, IA (1)
- Orange City, IA (1)
- Sheldon, IA (1)
HMDA 2025
Mortgage lending
In 2025, The Security National Bank of Sioux City, Iowa reported 381 home-loan applications under HMDA (LEI 5493003QPO86QUI9FJ04): 281 originated ($60,265,000 total), 53 denied, and 44 withdrawn or closed by the applicant. Its denial rate on decided applications was 15.7%, compared with 22.2% for all lenders nationwide.
Denial rates depend heavily on loan type and applicant mix and are not a measure of fairness or of your own odds.
Identity & history
Profile
- Legal name
- The Security National Bank of Sioux City, Iowa
- Type
- National bank
- FDIC certificate #
- 4506
- RSSD ID
- 418249
- Primary regulator
- OCC
- Holding company
- Security National Corp
- Established
- January 1, 1884
- Headquarters
- 601 Pierce St, Sioux City, IA 51101
- Website
- www.snbonline.com
- Employees
- 239
Quick answers
The Security National Bank of Sioux City, Iowa: common questions
Is The Security National Bank of Sioux City, Iowa FDIC insured?
Yes. The Security National Bank of Sioux City, Iowa is an FDIC-insured institution (FDIC certificate #4506). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.
What is The Security National Bank of Sioux City, Iowa's TellerScore?
81 out of 100 (Strong), based on its Q2 2026 publicly reported figures. The TellerScore is our own summary and is not issued by any government agency.
Has The Security National Bank of Sioux City, Iowa ever failed?
There is no failure record for FDIC certificate #4506 in the FDIC failed bank list.
How many branches does The Security National Bank of Sioux City, Iowa have?
10 offices as of the latest FDIC data.
Nearby
Highest-scoring banks and credit unions with branches near Sioux City
| Institution | Score | Assets | Capital | Problem loans | Compare |
|---|---|---|---|---|---|
| Security National Bank of South DakotaBank Dakota Dunes, SD | 93 out of 100, Very strong | $251.5M | 14.1% | 0.00% | vs |
| Siouxland BankBank South Sioux City, NE | 88 out of 100, Very strong | $88.3M | 12.4% | 0.00% | vs |
| BankFirstBank Norfolk, NE | 85 out of 100, Very strong | $1.2B | 15.3% | 0.84% | vs |
| F&M BankBank West Point, NE | 83 out of 100, Strong | $354.6M | 11.8% | 0.07% | vs |
| Midstates Bank, National AssociationBank Council Bluffs, IA | 79 out of 100, Strong | $653.9M | 11.6% | 0.29% | vs |
| Iowa State BankBank Hull, IA | 78 out of 100, Strong | $1.3B | 11.7% | 0.06% | vs |