Branch Network
State Bank Locations & Branches Waterloo, Illinois
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State Bank operates 5 branches from its headquarters in Waterloo, IL, .
State Bank branch network
Its 5 branches span 2 states and 4 cities. The most are in ILLINOIS (4) and MISSOURI (1). ILLINOIS holds 81.3% of its branch deposits. Waterloo, IL has the most of its branches, 2. Its largest office by deposits is its main office in Waterloo, IL, with $131.0M (49.1% of its branch deposits). It had the same number of branches on June 30, 2025.
State Bank at a glance
Its CET1 capital ratio was 10.54% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $295.8M
- CET1 ratio, Q2 2026
- 10.54%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1894
Full financial profile · Is State Bank safe? · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Waterloo, IL (2 branches) | 2 of 5 | 29.4% | $167.5M |
| State: IL (4 branches) | 196 of 379 | <0.1% | $216.9M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
State Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Monroe, IL (4 branches) | 2 of 10 | 18.1% | $216.9M | $1.20B |
| St. Louis, MO (1 branch) | 42 of 55 | 0.1% | $50.0M | $48.49B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| St. Louis, MO-IL (5 branches) | 59 of 111 | 0.2% | $267.0M | $141.72B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| State Bank (main office) | Waterloo, IL | 62298 | $131.0M |
| Lindbergh Facility Branch | Saint Louis, MO | 63125 | $50.0M |
| Waterloo Branch | Waterloo, IL | 62298 | $36.6M |
| Columbia Branch | Columbia, IL | 62236 | $27.7M |
| Valmeyer Branch | Valmeyer, IL | 62295 | $21.7M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 12706) · FFIEC NIC profile (RSSD 266244)