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Chesterfield State Bank Locations & Branches Chesterfield, Illinois
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Chesterfield State Bank operates 1 branch from its headquarters in Chesterfield, IL, .
Chesterfield State Bank branch network
Its one office is in Chesterfield, ILLINOIS. It had the same number of branches on June 30, 2025.
Chesterfield State Bank at a glance
Its CET1 capital ratio was 13.24% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $21.7M
- CET1 ratio, Q2 2026
- 13.24%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1898
Full financial profile · Is Chesterfield State Bank safe? · Chesterfield State Bank 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: Chesterfield, IL (1 branch) | 1 of 1 | 100.0% | $19.8M |
| State: IL (1 branch) | 371 of 379 | <0.1% | $19.8M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
Chesterfield 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 |
|---|---|---|---|---|
| Macoupin, IL (1 branch) | 11 of 13 | 1.6% | $19.8M | $1.24B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| St. Louis, MO-IL (1 branch) | 102 of 111 | <0.1% | $19.8M | $141.72B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Chesterfield State Bank (main office) | Chesterfield, IL | 62630 | $19.8M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 10872) · FFIEC NIC profile (RSSD 767246)