Cornerstone State Bank
Montgomery, MN
IDRSSD: 914853
Total Assets
$241.97M
Latest filing
Total Deposits
$218.84M
Latest filing
Net Interest Margin
3.26%
Profitability
Routing numbers
Primary routing transit numbers associated with this institution.
1 routeView all→
091905059MONTGOMERY, MN
Key People
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Locations
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Main Office
Cornerstone State Bank
401 4th St Nw
Montgomery, MN 56069
Full Service - Brick and Mortar
Updated 01/30/2026Established 04/08/1974FDIC Certificate 14886
Branches (6)
Page 1 of 1| Name | Address | City / State |
|---|---|---|
| Cornerstone State Bank (Main) | 401 4th St Nw | Montgomery, MN |
| MADISON LAKE BRANCH | 500 Main St | Madison Lake, MN |
| EAGLE LAKE BRANCH | 600 Parkway Ave | Eagle Lake, MN |
| GREEN ISLE BRANCH | 451 3rd St | Green Isle, MN |
| 1516 CLOQUET AVENUE BRANCH | 1516 Cloquet Ave | Cloquet, MN |
| LE SUEUR BRANCH | 415 N Main St | Le Sueur, MN |
| BELLE PLAINE BRANCH | 406 E Poplar St | Belle Plaine, MN |
Showing 6 of 6
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 non-member, and supervised by the FDIC |
| Primary Regulator | FDIC |
| Established Date | 04/08/1974 |
| Community Bank | Yes |
| Ownership Type | Not Mutual |
| ZIP | 56069 |
| State and County Number | 27079 |
| Subchapter S Corporations | Yes |
| Trust Powers | N/A |
| Federal Reserve ID Number | 09 |
| Numeric code | 21 |
| Insured by FDIC | Institutions that are currently open and insured by the FDIC |
| Federal Reserve District | Kansas City |
| Core Based Statistical Area Name | Minneapolis-St. Paul-Bloomington, MN-WI |
Operational Info
| Number of Employees | 42 |
| Domestic Offices | 7 |
| Foreign Offices | 0 |
| US Offices | 0 |
| Directly owned by another bank (CERT) | No |
| Last Structure Change Effective Date | 08/31/2022 |
| Date of Deposit Insurance | 04/08/1974 |
| Primary Insurance Agency | DIF |
| Website | WWW.CORNERSTONESTATEBANK.COM |
| Data Updated | 01/30/2026 |
| CERT | 21525 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $241.97M |
| Total Deposits | $218.84M |
| Total Liabilities | $222.92M |
| Total Equity Capital | $19.05M |
| Net Income | $682.00k |
| Net Loans and Leases | $152.70M |
| Assets Per Employee ($Millions) | $6.2M |
| Bank Premises and Fixed Assets | $5.55M |
| Cash and Balances due from Depository Institutions | $0 |
| Deposits Held in Domestic Offices | $218.84M |
Key Performance Ratios
| Return on Assets (ROA) | 1.15% |
| Return on Equity (ROE) | 14.84% |
| Net Interest Margin | 3.26% |
| Efficiency Ratio | 67.51% |
| Tier 1 Risk-Based Capital Ratio | 0% |
| 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 | 7.872% |
| Earning Assets to total Assets | 94.39% |
Income and Expense
| Total Interest Income | $2.76M |
| Total Noninterest Income | $301.00k |
| Total Interest Expense | $930.00k |
| Total Noninterest Expense | $1.45M |
| Net Interest Income | $1.83M |
| Pre-tax Net Operating Income | $682.00k |
| 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 | $3.00M |
| Federal Funds Sold & Reverse Repurchase Agreement | $914.00k |
| Federal Funds Purchased and Repurchased Agreement | $0 |
| All Other Liabilities | $1.08M |
| Total Liabilities and Capital | $241.97M |
Securities
| Securities | $73.38M |
| Available-for-sale debt securities | $70.95M |
| Equity securities with readily determinable fair values not held for trading | — |
| Held-to-maturity securities | $2.43M |
| Subordinated Debt | $0 |
| Trading Account Assets | $0 |
| Trading Liabilities | $0 |
Frequently Asked Questions
What are the total assets of Cornerstone State Bank?
$241.97M as of the latest filing.
How much are Cornerstone State Bank's total deposits?
$218.84M in total deposits.
Where is Cornerstone State Bank located?
Montgomery, MN.
What is the Net Interest Margin?
3.26%.
How many domestic offices does it operate?
7.
When was it established?
04/08/1974.
What is the Return on Assets (ROA)?
1.15%.
How much are total loans and leases?
$152.70M (latest filing).
What is the total interest income (latest filing)?
$2.76M.