GNB Bank
Grundy Center, IA
IDRSSD: 724744
Total Assets
$630.72M
Latest filing
Total Deposits
$494.54M
Latest filing
Net Interest Margin
4.06%
Profitability
Routing numbers
Primary routing transit numbers associated with this institution.
1 routeView all→
073905064GRUNDY CENTER, IA
Key People
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Locations
Main office and branches. Select to view on the map.
Main Office
GNB Bank
529 G Ave
Grundy Center, IA 50638
Full Service - Brick and Mortar
Updated 01/30/2026Established 03/16/1934FDIC Certificate 8802
Branches (10)
Page 1 of 2| Name | Address | City / State |
|---|---|---|
| GNB Bank (Main) | 529 G Ave | Grundy Center, IA |
| GNB MANCHESTER BRANCH | 300 E Main St | Manchester, IA |
| GENEVA BRANCH | 408 Front St | Geneva, IA |
| STORY CITY OFFICE | 629 Broad St | Story City, IA |
| MESSENGER SERVICE BRANCH | 103 E Center St | Conrad, IA |
| CONRAD OFFICE BRANCH | 103 E Center St | Conrad, IA |
| TIMBERLAND VILLAGE BRANCH | 725 Timberland Dr | Story City, IA |
| IOWA FALLS DOWNTOWN BRANCH | 315 Main St | Iowa Falls, IA |
Showing 7 of 10
Quarterly Trends
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Total Assets vs Total Liabilities
Loans & Leases vs Deposits
Interest Income vs Expense
Net Interest Income
Noninterest Expense vs Income
Net Income
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Institution Profile
| Institution Class | Commercial bank, state charter, Fed member, supervised by FRB |
| Primary Regulator | FED |
| Established Date | 03/16/1934 |
| Community Bank | Yes |
| Ownership Type | Not Mutual |
| ZIP | 50638 |
| State and County Number | 19075 |
| Subchapter S Corporations | Yes |
| Trust Powers | Full Trust Powers Granted |
| Federal Reserve ID Number | 07 |
| Numeric code | 13 |
| Insured by FDIC | Institutions that are currently open and insured by the FDIC |
| Federal Reserve District | Kansas City |
| Core Based Statistical Area Name | Waterloo-Cedar Falls, IA |
Operational Info
| Number of Employees | 100 |
| Domestic Offices | 11 |
| Foreign Offices | 0 |
| US Offices | 0 |
| Directly owned by another bank (CERT) | No |
| Last Structure Change Effective Date | 06/30/2024 |
| Date of Deposit Insurance | 03/16/1934 |
| Primary Insurance Agency | DIF |
| Website | www.gnbbank.com |
| Data Updated | 01/30/2026 |
| CERT | 14079 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $630.72M |
| Total Deposits | $494.54M |
| Total Liabilities | $553.55M |
| Total Equity Capital | $77.17M |
| Net Income | $2.12M |
| Net Loans and Leases | $451.37M |
| Assets Per Employee ($Millions) | $6.37M |
| Bank Premises and Fixed Assets | $4.64M |
| Cash and Balances due from Depository Institutions | $17.69M |
| Deposits Held in Domestic Offices | $494.54M |
Key Performance Ratios
| Return on Assets (ROA) | 1.35% |
| Return on Equity (ROE) | 11.11% |
| Net Interest Margin | 4.06% |
| Efficiency Ratio | 70.02% |
| Tier 1 Risk-Based Capital Ratio | 14.522% |
| Net Loans and Leases to Core Deposits | 0% |
| Credit Loss Provision to Assets | 0% |
| Cash Dividends to Net Income (YTD Only) | 0% |
| Equity Capital to Assets | 12.235% |
| Earning Assets to total Assets | 91.93% |
Income and Expense
| Total Interest Income | $8.60M |
| Total Noninterest Income | $1.44M |
| Total Interest Expense | $2.73M |
| Total Noninterest Expense | $5.12M |
| Net Interest Income | $5.87M |
| Pre-tax Net Operating Income | $2.19M |
| Provision for Credit Losses | $0 |
| Discontinued Operations (Extraordinary Gains - Net) | $0 |
Additional Financial Info
| Goodwill and Other Intangibles | $0 |
| All Other Assets | — |
| Other Real Estate Owned | $0 |
| Other borrowed funds | $48.12M |
| Federal Funds Sold & Reverse Repurchase Agreement | $1.74M |
| Federal Funds Purchased and Repurchased Agreement | $2.84M |
| All Other Liabilities | $8.05M |
| Total Liabilities and Capital | $630.72M |
Securities
| Securities | $117.11M |
| Available-for-sale debt securities | $117.11M |
| Equity securities with readily determinable fair values not held for trading | — |
| Held-to-maturity securities | $0 |
| Subordinated Debt | $0 |
| Trading Account Assets | $0 |
| Trading Liabilities | $0 |
Frequently Asked Questions
What are the total assets of GNB Bank?
$630.72M as of the latest filing.
How much are GNB Bank's total deposits?
$494.54M in total deposits.
Where is GNB Bank located?
Grundy Center, IA.
What is the Net Interest Margin?
4.06%.
How many domestic offices does it operate?
11.
When was it established?
03/16/1934.
What is the Return on Assets (ROA)?
1.35%.
How much are total loans and leases?
$451.37M (latest filing).
What is the total interest income (latest filing)?
$8.60M.