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Bank of Belleville Locations & Branches Belleville, Illinois
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Bank of Belleville operates 4 branches from its headquarters in Belleville, IL, .
Bank of Belleville branch network
All 4 branches are in ILLINOIS, across 4 cities. Its largest office by deposits is its main office in Belleville, IL, with $345.7M (84.0% of its branch deposits). It had the same number of branches on June 30, 2025.
Bank of Belleville at a glance
Its CET1 capital ratio was 11.16% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $562.9M
- CET1 ratio, Q2 2026
- 11.16%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 2005
Full financial profile · Is Bank of Belleville safe? · Bank of Belleville call report · 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: Belleville, IL (1 branch) | 2 of 11 | 20.8% | $345.7M |
| State: IL (4 branches) | 125 of 379 | <0.1% | $411.4M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
Bank of Belleville'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 |
|---|---|---|---|---|
| St. Clair, IL (1 branch) | 8 of 26 | 5.8% | $345.7M | $5.95B |
| Monroe, IL (1 branch) | 9 of 10 | 2.4% | $28.7M | $1.20B |
| Madison, IL (1 branch) | 22 of 23 | 0.3% | $22.4M | $6.71B |
| Clinton, IL (1 branch) | 11 of 13 | 0.9% | $14.7M | $1.61B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| St. Louis, MO-IL (4 branches) | 48 of 111 | 0.3% | $411.4M | $141.72B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Bank of Belleville (main office) | Belleville, IL | 62220 | $345.7M |
| Bank of Monroe County Branch | Waterloo, IL | 62298 | $28.7M |
| Bank of Madison County Branch | Edwardsville, IL | 62025 | $22.4M |
| Bank of Clinton County Branch | New Baden, IL | 62265 | $14.7M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 58114) · FFIEC NIC profile (RSSD 3374403)