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The First National Bank in Amboy Locations & Branches Amboy, Illinois
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The First National Bank in Amboy operates 5 branches from its headquarters in Amboy, IL, .
The First National Bank in Amboy branch network
All 5 branches are in ILLINOIS, across 4 cities. Dixon, IL has the most of its branches, 2. Its largest office by deposits is the The First National Bank in Amboy office in Amboy, IL, with $100.3M (37.9% of its branch deposits). It had the same number of branches on June 30, 2025.
The First National Bank in Amboy at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 10.67% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $324.5M
- Tier 1 leverage ratio, Q2 2026
- 10.67%
- Deposit insurance
- FDIC
- Regulator
- OCC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1934
Full financial profile · Is The First National Bank in Amboy safe? · The First National Bank in Amboy 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: Amboy, IL (1 branch) | 1 of 2 | 89.0% | $100.3M |
| State: IL (5 branches) | 177 of 379 | <0.1% | $264.9M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
The First National Bank in Amboy'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 |
|---|---|---|---|---|
| Lee, IL (4 branches) | 1 of 10 | 28.6% | $241.4M | $842.9M |
| Ogle, IL (1 branch) | 11 of 11 | 1.6% | $23.4M | $1.43B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Dixon, IL (4 branches) | 1 of 10 | 28.6% | $241.4M | $842.9M |
| Rochelle, IL (1 branch) | 11 of 11 | 1.6% | $23.4M | $1.43B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| The First National Bank in Amboy | Amboy, IL | 61310 | $100.3M |
| Dixon North Branch | Dixon, IL | 61021 | $94.8M |
| Franklin Grove Bank Branch | Franklin Grove, IL | 61031 | $30.0M |
| Monroe Center Branch | Monroe Center, IL | 61052 | $23.4M |
| Dixon Branch | Dixon, IL | 61021 | $16.3M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 14674) · FFIEC NIC profile (RSSD 656032)