Total Assets
$631M
Total balance-sheet footings
2026 data FDIC sourced Public-data reference.
GNB Bank — FDIC Bank Health Profile
Grundy Center, Iowa · Est. 1934. Free, sourced from the FDIC BankFind Suite — refreshed each quarter and cross-checked against the FDIC Call Report.
State chartered State member bank FDIC Cert #14079 Kansas City Region
C
Health grade
Fair
Score: 63/100
Basel III capital ratios — GNB Bank
Total Deposits
$495M
Customer-funded liabilities
Net Loans
$451M
Outstanding loan book
Net Income
$9M
Bottom-line earnings
Safety Metrics
Tier 1 capital ratio
Well-capitalized 10%
14.52% of risk-weighted assets — above the federal "well-capitalized" threshold of 10%.
Tier 1 Capital Ratio
Core capital ÷ risk-weighted assets. Well-capitalized: ≥10%
14.52%
Texas Ratio
Non-performing loans ÷ equity. Danger zone: >100%
—
Equity Capital
Tangible book value as a capital buffer
$77M
Profitability Metrics
Return on Assets (ROA)
Net income ÷ assets. Healthy: ≥1%
1.48%
Return on Equity (ROE)
Net income ÷ equity. Industry avg: ~10%
12.82%
Efficiency Ratio
Operating costs ÷ revenue. Efficient: <60%
64.04%
Income & Expense Breakdown
$34M
Interest Income
$6M
Non-Interest Income
$18M
Non-Interest Expense
FDIC Deposit Insurance
GNB Bank is FDIC-insured (Certificate #14079). Your deposits are protected up to $250,000 per depositor, per account category regardless of this bank's health grade.
What the Numbers Say About GNB Bank
GNB Bank is an FDIC-insured institution (Certificate #14079) headquartered in Grundy Center, Iowa, established in 1934. The bank currently holds $631M in total assets and $495M in customer deposits, with $451M deployed as loans. It operates as a State chartered (State member bank) within the FDIC Kansas City region. These figures come directly from the bank's quarterly FDIC Call Report and reflect the balance sheet as of the latest regulatory filing.
On safety metrics, GNB Bank reports a Tier 1 Capital Ratio of 14.52% — above the 10% federal threshold for "well-capitalized" status and a Texas Ratio of —. Equity capital stands at $77M, serving as the tangible buffer against loan losses. On profitability, the bank posted a Return on Assets of 1.48% and a Return on Equity of 12.82%, with an Efficiency Ratio of 64.04% — above the 60% benchmark, meaning a larger share of revenue is consumed by operating costs. The combined picture yields a PlainBankData health grade of C (63/100), a composite score that blends all four dimensions.
Not financial advice. This page summarizes public FDIC Call Report data for informational purposes only. Health grades are our interpretation of regulatory filings and are not official FDIC ratings, endorsements, or predictions. Regardless of grade, every dollar on deposit at GNB Bank is protected by FDIC insurance up to $250,000 per depositor, per ownership category — even if the bank were to fail. For decisions about where to hold deposits, consult a qualified financial professional and verify the latest figures directly at the FDIC's BankFind Suite.
Top 5 banks in Iowa by total assets
Source: FDIC BankFind Suite — Call Report (FFIEC 031/041) + CRA performance data GNB Bank (FDIC Cert #14079) — Tier 1 capital ratio, total assets, deposits, CRA rating · 2025 FDIC Call Reports filed quarterly; latest publicly-available vintage shown. Health grades are PlainBankData's interpretation of regulatory filings and are not official FDIC ratings.
Other Banks in Iowa
All Iowa banks →| Bank | Assets | Grade | ROA |
|---|---|---|---|
| Principal Bank Des Moines | $9.3B | B | 1.24% |
| Bankers Trust Company Des Moines | $7.5B | C | 1.10% |
| MidWestOne Bank Iowa City | $6.3B | B | 1.12% |
| Hills Bank and Trust Company Hills | $4.6B | D | 1.36% |
| West Bank West Des Moines | $4.1B | C | 0.94% |
| Northwest Bank Spencer | $3.0B | C | 1.03% |
| Cedar Rapids Bank and Trust Company Cedar Rapids | $2.9B | B | 2.83% |
| Quad City Bank and Trust Company Bettendorf | $2.7B | B | 1.30% |
Frequently Asked Questions
What is GNB Bank's health grade? ▼
GNB Bank receives a health grade of C (63/100) based on four FDIC financial metrics: Tier 1 Capital Ratio (40%), Return on Assets (25%), Texas Ratio (20%), and Efficiency Ratio (15%). This bank meets regulatory minimums but has some areas of financial weakness to monitor.
How large is GNB Bank? ▼
GNB Bank holds $631M in total assets and $495M in deposits. It is headquartered in Grundy Center, Iowa.
Is my money safe at GNB Bank? ▼
Yes. GNB Bank is FDIC-insured (Certificate #14079). Your deposits are protected up to $250,000 per depositor, per account category, regardless of the bank's health grade. If a bank fails, the FDIC typically makes insured deposits available within one business day.
What is GNB Bank's Tier 1 Capital Ratio? ▼
GNB Bank has a Tier 1 Capital Ratio of 14.52%. This exceeds the 10% threshold for "well-capitalized" status under federal banking regulations.
How efficient is GNB Bank? ▼
GNB Bank has an Efficiency Ratio of 64.04%. Above 60% means a larger share of revenue goes to operating costs. This metric compares non-interest expenses to total revenue.
Bank Safety Guides
Related Data Sources
Data from the FDIC BankFind Suite API. Financial data as of Q4 2025.
Related
Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBankData Editorial
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FDIC BankFind Suite. Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.