Grinnell State Bank is a state-chartered bank headquartered in Grinnell, Iowa, in business for about 101 years. At the end of Q2 2026 it reported $498.6M in total assets and $346.6M in deposits, with 4 offices.
Based on its Q2 2026 filing, Grinnell State Bank scores 67/100, which we describe as moderate. That is higher than only 34% of 2,650 banks with $100 million – $1 billion. Among 226 banks headquartered in Iowa, it ranks 158th. Its strongest component is loan quality (84/100; 0.47%), and its lowest is funding & liquidity (38/100; 107% loans-to-deposits, 29% 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 13 points (54 → 67), mostly because the loan quality component improved by 28 points.
Show as table
| Quarter | TellerScore |
|---|---|
| Q2 2024 | 54 |
| Q3 2024 | 48 |
| Q4 2024 | 49 |
| Q1 2025 | 53 |
| Q2 2025 | 54 |
| Q3 2025 | 58 |
| Q4 2025 | 57 |
| Q1 2026 | 62 |
| Q2 2026 | 67 |
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| Quarter | Tier 1 leverage ratio |
|---|---|
| Q2 2024 | 10.89% |
| Q3 2024 | 10.50% |
| Q4 2024 | 10.57% |
| Q1 2025 | 10.99% |
| Q2 2025 | 11.01% |
| Q3 2025 | 11.41% |
| Q4 2025 | 11.79% |
| Q1 2026 | 11.82% |
| Q2 2026 | 11.90% |
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| Quarter | Noncurrent loans |
|---|---|
| Q2 2024 | 1.39% |
| Q3 2024 | 1.78% |
| Q4 2024 | 1.82% |
| Q1 2025 | 1.76% |
| Q2 2025 | 1.32% |
| Q3 2025 | 1.29% |
| Q4 2025 | 1.53% |
| Q1 2026 | 0.71% |
| Q2 2026 | 0.47% |
Show as table
| Quarter | Return on assets |
|---|---|
| Q2 2024 | 0.58% |
| Q3 2024 | 0.61% |
| Q4 2024 | 0.67% |
| Q1 2025 | 0.99% |
| Q2 2025 | 0.66% |
| Q3 2025 | 0.89% |
| Q4 2025 | 0.95% |
| Q1 2026 | 0.76% |
| Q2 2026 | 0.98% |
| Quarter | Score | Assets | Capital | Problem loans | ROA | Loans/deposits |
|---|---|---|---|---|---|---|
| Q2 2026 | 67 | $498.6M | 11.90% | 0.47% | 0.98% | 106.8% |
| Q1 2026 | 62 | $496.8M | 11.82% | 0.71% | 0.76% | 102.7% |
| Q4 2025 | 57 | $500.3M | 11.79% | 1.53% | 0.95% | 102.3% |
| Q3 2025 | 58 | $483.0M | 11.41% | 1.29% | 0.89% | 113.3% |
| Q2 2025 | 54 | $500.0M | 11.01% | 1.32% | 0.66% | 111.9% |
| Q1 2025 | 53 | $505.2M | 10.99% | 1.76% | 0.99% | 111.2% |
| Q4 2024 | 49 | $493.0M | 10.57% | 1.82% | 0.67% | 111.7% |
| Q3 2024 | 48 | $508.3M | 10.50% | 1.78% | 0.61% | 108.8% |
| Q2 2024 | 54 | $494.2M | 10.89% | 1.39% | 0.58% | 104.7% |
2,650 peers · $100 million – $1 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 |
|---|---|---|---|---|---|
| Ohnward Bank & TrustBank Cascade, IA | 74 out of 100, Strong | $499.1M | 12.6% | 0.60% | vs |
| TruBankBank Indianola, IA | 56 out of 100, Moderate | $494.6M | 9.2% | 1.33% | vs |
| Security State BankBank Sutherland, IA | 77 out of 100, Strong | $492.3M | 11.1% | 0.23% | vs |
| Raccoon Valley BankBank Perry, IA | 66 out of 100, Moderate | $486.0M | 9.6% | 0.74% | vs |
| Rolling Hills Bank & TrustBank Atlantic, IA | 77 out of 100, Strong | $484.4M | 11.8% | 0.30% | vs |
| American Bank and Trust Company, National AssociationBank Davenport, IA | 61 out of 100, Moderate | $480.9M | 10.1% | 0.86% | vs |
Deposit insurance
Is my money safe at Grinnell State Bank?
Yes. Grinnell State Bank is an FDIC-insured institution (FDIC certificate #11347). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.
An estimated 29.0% of deposits ($100.5M) are above the $250,000 FDIC insurance limit, above the peer median of 24%. Insured balances are protected regardless of the score.
The tier 1 leverage ratio is 11.90%, well above the 5% level regulators use as the "well capitalized" benchmark for this measure. Its total risk-based capital ratio is 16.23% (benchmark: 10%).
4 locations
Branches
Grinnell State Bank lists 4 offices in 4 cities. Most locations:
- Grinnell, IA (1)
- Johnston, IA (1)
- Marengo, IA (1)
- Polk City, IA (1)
HMDA 2025
Mortgage lending
In 2025, Grinnell State Bank reported 25 home-loan applications under HMDA (LEI 254900826Z45GD791J96): 24 originated ($5,240,000 total), 0 denied, and 0 withdrawn or closed by the applicant. Its denial rate on decided applications was 0.0%, 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
- Grinnell State Bank
- Type
- State-chartered bank
- FDIC certificate #
- 11347
- RSSD ID
- 783246
- Primary regulator
- FDIC
- Holding company
- Grinnell Bancshares Inc
- Established
- October 25, 1925
- Headquarters
- 814 4th Ave, Grinnell, IA 50112
- Website
- www.grinnell.bank
- Employees
- 48
Quick answers
Grinnell State Bank: common questions
Is Grinnell State Bank FDIC insured?
Yes. Grinnell State Bank is an FDIC-insured institution (FDIC certificate #11347). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.
What is Grinnell State Bank's TellerScore?
67 out of 100 (Moderate), based on its Q2 2026 publicly reported figures. The TellerScore is our own summary and is not issued by any government agency.
Has Grinnell State Bank ever failed?
There is no failure record for FDIC certificate #11347 in the FDIC failed bank list.
How many branches does Grinnell State Bank have?
4 offices as of the latest FDIC data.
Nearby
Highest-scoring banks and credit unions with branches near Grinnell
| Institution | Score | Assets | Capital | Problem loans | Compare |
|---|---|---|---|---|---|
| Chelsea Savings BankBank Belle Plaine, IA | 93 out of 100, Very strong | $196.9M | 16.0% | 0.24% | vs |
| Pinnacle BankBank Marshalltown, IA | 82 out of 100, Strong | $324.4M | 14.7% | 0.75% | vs |
| GNB BankBank Grundy Center, IA | 76 out of 100, Strong | $621.3M | 12.2% | 0.62% | vs |
| First State BankBank Lynnville, IA | 75 out of 100, Strong | $384.2M | 9.8% | 0.21% | vs |
| Citizens Savings BankBank Marshalltown, IA | 74 out of 100, Strong | $77.9M | 9.9% | 0.00% | vs |
| Leighton State BankBank Pella, IA | 74 out of 100, Strong | $298.2M | 11.0% | 0.79% | vs |