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First State Bank Shannon-Polo Locations & Branches Shannon, Illinois
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First State Bank Shannon-Polo operates 3 branches from its headquarters in Shannon, IL, .
First State Bank Shannon-Polo branch network
All 3 branches are in ILLINOIS, across 2 cities. Shannon, IL has the most of its branches, 2. Its largest office by deposits is its main office in Shannon, IL, with $80.2M (48.0% of its branch deposits). It had the same number of branches on June 30, 2025.
First State Bank Shannon-Polo at a glance
Its CET1 capital ratio was 13.80% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $190.5M
- CET1 ratio, Q2 2026
- 13.80%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1930
Full financial profile · Is First State Bank Shannon-Polo safe? · First State Bank Shannon-Polo 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: Shannon, IL (2 branches) | 1 of 1 | 100.0% | $93.6M |
| State: IL (3 branches) | 241 of 379 | <0.1% | $167.1M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
First State Bank Shannon-Polo'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 |
|---|---|---|---|---|
| Carroll, IL (2 branches) | 4 of 8 | 15.2% | $93.6M | $617.8M |
| Ogle, IL (1 branch) | 6 of 11 | 5.1% | $73.5M | $1.43B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Rochelle, IL (1 branch) | 6 of 11 | 5.1% | $73.5M | $1.43B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| First State Bank Shannon-Polo (main office) | Shannon, IL | 61078 | $80.2M |
| Polo Branch | Polo, IL | 61064 | $73.5M |
| Lake Carroll Branch | Shannon, IL | 61078 | $13.4M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 1781) · FFIEC NIC profile (RSSD 232847)