FDIC-insured bank
First Secure State Bank — Wonder Lake, IL
Bank headquartered in Wonder Lake, Illinois, part of FIRST SECURE BANK GROUP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 7526 Hancock Dr Wonder Lake, IL 60097 |
| County | Mchenry |
| Metro area | Chicago-Naperville-Elgin, IL-IN-WI |
| Website | www.thestatebankgroup.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 22971 |
| Federal Reserve RSSD ID | 285348 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | FIRST SECURE BANK GROUP INC |
| Domestic offices | 7 |
| Financials as of | June 30, 2026 |
How to find your First Secure State Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.thestatebankgroup.com.
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Offices nearest to headquarters
| First Secure State Bank main office Wonder Lake, IL |
7526 Hancock Dr, 60097 |
| Wonder Lake West Branch Wonder Lake, IL |
3316 Thompson Rd, 60097 |
| Johnsburg Facility Johnsburg, IL |
3503 Chapel Hill Rd, 60051 |
| Spring Grove Branch Spring Grove, IL |
7500 Meyer Rd, 60081 |
| Lakemoor Branch Lakemoor, IL |
500 W Il Route 120, 60051 |
| Harvard/Ayer Branch Harvard, IL |
58 N Ayer St, 60033 |
| Harvard North Branch Harvard, IL |
1400 N Division St, 60033 |
Where First Secure State Bank has offices
Cities with the most First Secure State Bank offices
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| First Mid Bank & Trust, National Association Mattoon | $9.14 billion |
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