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Warren-Boynton State Bank Locations & Branches New Berlin, Illinois
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Warren-Boynton State Bank operates 4 branches from its headquarters in New Berlin, IL, .
Warren-Boynton State Bank branch network
All 4 branches are in ILLINOIS, across 4 cities. Its largest office by deposits is its main office in New Berlin, IL, with $103.6M (51.5% of its branch deposits). It had the same number of branches on June 30, 2025.
Warren-Boynton State Bank at a glance
Its CET1 capital ratio was 18.19% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $234.5M
- CET1 ratio, Q2 2026
- 18.19%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1877
Full financial profile · Is Warren-Boynton 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: New Berlin, IL (1 branch) | 1 of 1 | 100.0% | $103.6M |
| State: IL (4 branches) | 208 of 379 | <0.1% | $201.4M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
Warren-Boynton 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 |
|---|---|---|---|---|
| Sangamon, IL (2 branches) | 13 of 24 | 1.5% | $139.4M | $9.40B |
| Macoupin, IL (2 branches) | 6 of 13 | 5.0% | $61.9M | $1.24B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Springfield, IL (2 branches) | 14 of 26 | 1.4% | $139.4M | $9.76B |
| St. Louis, MO-IL (2 branches) | 87 of 111 | <0.1% | $61.9M | $141.72B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Warren-Boynton State Bank (main office) | New Berlin, IL | 62670 | $103.6M |
| Springfield Branch | Springfield, IL | 62704 | $35.8M |
| Bank of Modesto Branch | Modesto, IL | 62667 | $35.5M |
| Palmyra Branch | Palmyra, IL | 62674 | $26.4M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 11674) · FFIEC NIC profile (RSSD 837448)