Security Bank
New Auburn, WI
IDRSSD: 20053
Total Assets
$231.63M
Latest filing
Total Deposits
$196.24M
Latest filing
Net Interest Margin
4.24%
Profitability
Key People
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Locations
Main office and branches. Select to view on the map.
Main Office
Security Bank
112 E Main St
New Auburn, WI 54757
Full Service - Brick and Mortar
Updated 01/30/2026Established 08/28/1907FDIC Certificate 6404
Branches (3)
Page 1 of 1| Name | Address | City / State |
|---|---|---|
| Security Bank (Main) | 112 E Main St | New Auburn, WI |
| SAND CREEK BRANCH | County Road 1 | Sand Creek, WI |
| RIDGELAND OFFICE BRANCH | 101 Main Street | Ridgeland, WI |
| BLOOMER OFFICE | 1923 17th Ave | Bloomer, WI |
Showing 3 of 3
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 | 08/28/1907 |
| Community Bank | Yes |
| Ownership Type | Not Mutual |
| ZIP | 54757 |
| State and County Number | 55017 |
| Subchapter S Corporations | No |
| 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 | Chicago |
| Core Based Statistical Area Name | Eau Claire, WI |
Operational Info
| Number of Employees | 26 |
| Domestic Offices | 4 |
| 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 | 01/01/1934 |
| Primary Insurance Agency | DIF |
| Website | www.securityonlinebank.com |
| Data Updated | 01/30/2026 |
| CERT | 10015 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $231.63M |
| Total Deposits | $196.24M |
| Total Liabilities | $204.21M |
| Total Equity Capital | $27.42M |
| Net Income | $1.05M |
| Net Loans and Leases | $205.35M |
| Assets Per Employee ($Millions) | $9.65M |
| Bank Premises and Fixed Assets | $411.00k |
| Cash and Balances due from Depository Institutions | $7.59M |
| Deposits Held in Domestic Offices | $196.24M |
Key Performance Ratios
| Return on Assets (ROA) | 1.81% |
| Return on Equity (ROE) | 15.51% |
| Net Interest Margin | 4.24% |
| Efficiency Ratio | 46.54% |
| Tier 1 Risk-Based Capital Ratio | 0% |
| Net Loans and Leases to Core Deposits | 0% |
| Credit Loss Provision to Assets | 0.1% |
| Cash Dividends to Net Income (YTD Only) | 0% |
| Equity Capital to Assets | 11.838% |
| Earning Assets to total Assets | 96.77% |
Income and Expense
| Total Interest Income | $3.84M |
| Total Noninterest Income | $196.00k |
| Total Interest Expense | $1.47M |
| Total Noninterest Expense | $1.20M |
| Net Interest Income | $2.38M |
| Pre-tax Net Operating Income | $1.31M |
| Provision for Credit Losses | $60.00k |
| 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 | $7.00M |
| Federal Funds Sold & Reverse Repurchase Agreement | $10.63M |
| Federal Funds Purchased and Repurchased Agreement | $0 |
| All Other Liabilities | $971.00k |
| Total Liabilities and Capital | $231.63M |
Securities
| Securities | $4.22M |
| Available-for-sale debt securities | $4.22M |
| 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 Security Bank?
$231.63M as of the latest filing.
How much are Security Bank's total deposits?
$196.24M in total deposits.
Where is Security Bank located?
New Auburn, WI.
What is the Net Interest Margin?
4.24%.
How many domestic offices does it operate?
4.
When was it established?
08/28/1907.
What is the Return on Assets (ROA)?
1.81%.
How much are total loans and leases?
$205.35M (latest filing).
What is the total interest income (latest filing)?
$3.84M.