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First Security Bank
Mackinaw, IL · FDIC Certificate #3698 · Chartered 01/0
Total assets
$151.15M
Total deposits
$125.97M
Total equity
$16.87M
Net loans
$122.33M
Branches (offices)
4
Net income (YTD)
$837.00K
Rank: #3,300 of 4,213 U.S. banks by assets · #228 of 322 in Illinois. Assets changed 17.9% and deposits 12.1% over the year to June 30, 2026.
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Key ratios
| Return on assets (YTD, annualized by FDIC) | 1.14% |
| Return on equity | 10.08% |
| Net interest margin (YTD) | 4.17% |
| Equity to assets | 11.16% |
| Tier 1 leverage ratio | 9.22% |
| Uninsured deposits (share of deposits) | 22.3% |
| Noncurrent loans (share of loans) | 0.00% |
| Net charge-offs (share of loans) | 0.00% |
| Loans to deposits | 97.1% |
| Real estate loans (share of loans) | 63.7% |
Loan mix
| Category | Amount | Share | |
|---|---|---|---|
| Real estate loans | $77.92M | 63.7% | |
| Commercial & industrial | $15.99M | 13.1% | |
| Consumer / individual | $1.52M | 1.2% | |
| Construction & development | $5.65M | 4.6% | |
| Agricultural | $27.23M | 22.3% |
Five-year trend (June snapshots)
| Period | Total assets | Deposits | Net income (year to date) | Equity / net worth |
|---|---|---|---|---|
| Jun 2022 | $101.89M | $88.48M | $522.00K | $13.29M |
| Jun 2023 | $105.75M | $89.48M | $750.00K | $13.57M |
| Jun 2024 | $118.69M | $103.83M | $826.00K | $14.59M |
| Jun 2025 | $128.16M | $112.37M | $701.00K | $15.45M |
| Jun 2026 | $151.15M | $125.97M | $837.00K | $16.87M |
Where its branch deposits sit (FDIC Summary of Deposits)
| State | Branch deposits | Offices |
|---|---|---|
| Illinois | $125.96M | 4 |
Branch deposits are booked at the office that holds them, which is not always where the customer lives. Total across all offices: $125.96M.
Similar-sized banks
Greenfield Banking Company ($151.19M) · Citizens Savings Bank ($151.10M)
Source: FDIC BankFind - Call Report and institution data as of June 30, 2026; branch deposits from the FDIC Summary of Deposits (June 30, 2026). See methodology.
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