Banks in Mchenry County, Illinois
79 active bank branches operated by 24 institutions, per FDIC records.
Active branches
79
Banks present
24
Deposits (2026)
$9.8B
Closings since 2020
20
4 openings
Largest banks by deposits in Mchenry County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Crystal Lake Bank and Trust Company | $1.9B | 19% | 6 |
| Chase Bank | $1.4B | 14.5% | 7 |
| BMO Bank | $1.2B | 11.7% | 10 |
| American Community Bank & Trust | $1.0B | 10.3% | 4 |
| Home State Bank | $687M | 7% | 7 |
| Fifth Third Bank | $546M | 5.5% | 5 |
| First National Bank of Omaha | $454M | 4.6% | 6 |
| Old National Bank | $362M | 3.7% | 2 |
| U.S. Bank | $255M | 2.6% | 2 |
| Huntington Bank | $252M | 2.6% | 3 |
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.