First Security Bank
Mackinaw, IL
IDRSSD: 416339
Total Assets
$139.87M
Latest filing
Total Deposits
$122.99M
Latest filing
Net Interest Margin
3.97%
Profitability
Key People
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Locations
Main office and branches. Select to view on the map.
Main Office
First Security Bank
101 E Fast Ave
Mackinaw, IL 61755
Full Service - Brick and Mortar
Updated 01/30/2026Established 01/01/1934FDIC Certificate 2368
Branches (3)
Page 1 of 1| Name | Address | City / State |
|---|---|---|
| First Security Bank (Main) | 101 E Fast Ave | Mackinaw, IL |
| DANVERS BRANCH | 116 E Exchange St | Danvers, IL |
| HERITAGE LAKE BRANCH | #2 Bradford Drive | Mackinaw, IL |
| DEER CREEK BRANCH | 201 E 1st Ave | Deer Creek, IL |
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 | 01/01/1934 |
| Community Bank | Yes |
| Ownership Type | Not Mutual |
| ZIP | 61755 |
| State and County Number | 17179 |
| Subchapter S Corporations | Yes |
| Trust Powers | N/A |
| Federal Reserve ID Number | 07 |
| 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 | Peoria, IL |
Operational Info
| Number of Employees | 24 |
| 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.fsb1.com |
| Data Updated | 01/30/2026 |
| CERT | 3698 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $139.87M |
| Total Deposits | $122.99M |
| Total Liabilities | $123.40M |
| Total Equity Capital | $16.47M |
| Net Income | $387.00k |
| Net Loans and Leases | $109.26M |
| Assets Per Employee ($Millions) | $5.83M |
| Bank Premises and Fixed Assets | $1.07M |
| Cash and Balances due from Depository Institutions | $2.83M |
| Deposits Held in Domestic Offices | $122.99M |
Key Performance Ratios
| Return on Assets (ROA) | 1.11% |
| Return on Equity (ROE) | 9.53% |
| Net Interest Margin | 3.97% |
| Efficiency Ratio | 69.58% |
| 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 | 11.777% |
| Earning Assets to total Assets | 91.89% |
Income and Expense
| Total Interest Income | $2.01M |
| Total Noninterest Income | $52.00k |
| Total Interest Expense | $740.00k |
| Total Noninterest Expense | $938.00k |
| Net Interest Income | $1.27M |
| Pre-tax Net Operating Income | $387.00k |
| 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 | $0 |
| Federal Funds Sold & Reverse Repurchase Agreement | $0 |
| Federal Funds Purchased and Repurchased Agreement | $41.00k |
| All Other Liabilities | $365.00k |
| Total Liabilities and Capital | $139.87M |
Securities
| Securities | $19.25M |
| Available-for-sale debt securities | $19.25M |
| 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 First Security Bank?
$139.87M as of the latest filing.
How much are First Security Bank's total deposits?
$122.99M in total deposits.
Where is First Security Bank located?
Mackinaw, IL.
What is the Net Interest Margin?
3.97%.
How many domestic offices does it operate?
4.
When was it established?
01/01/1934.
What is the Return on Assets (ROA)?
1.11%.
How much are total loans and leases?
$109.26M (latest filing).
What is the total interest income (latest filing)?
$2.01M.