Banks in Mchenry County, Illinois
79 active bank branches operated by 24 institutions, per FDIC records.
Active branches
79
Banks present
24
Deposits (2025)
$9.3B
Closings since 2020
20
4 openings
Largest banks by deposits in Mchenry County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Crystal Lake Bank and Trust Company | $1.6B | 17.4% | 6 |
| Chase Bank | $1.4B | 15% | 7 |
| BMO Bank | $1.2B | 13.2% | 10 |
| American Community Bank & Trust | $894M | 9.6% | 4 |
| Home State Bank | $679M | 7.3% | 7 |
| Fifth Third Bank | $529M | 5.7% | 5 |
| First National Bank of Omaha | $419M | 4.5% | 6 |
| Old National Bank | $326M | 3.5% | 2 |
| First Secure State Bank | $244M | 2.6% | 7 |
| U.S. Bank | $237M | 2.6% | 2 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.