Branch Network
First State Bank Locations & Branches Mendota, Illinois
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First State Bank operates 19 branches from its headquarters in Mendota, IL, .
First State Bank branch network
All 19 branches are in ILLINOIS, across 18 cities. Mendota, IL has the most of its branches, 2. Its largest office by deposits is its main office in Mendota, IL, with $391.0M (30.1% of its branch deposits). It had the same number of branches on June 30, 2025.
First State Bank at a glance
Its CET1 capital ratio was 14.42% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $1.56B
- CET1 ratio, Q2 2026
- 14.42%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1940
Full financial profile · Is First 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: Mendota, IL (2 branches) | 1 of 3 | 81.4% | $391.0M |
| State: IL (19 branches) | 61 of 379 | 0.2% | $1.30B |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
First 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 |
|---|---|---|---|---|
| Lasalle, IL (5 branches) | 2 of 22 | 14.9% | $612.6M | $4.10B |
| Dekalb, IL (3 branches) | 5 of 9 | 6.8% | $202.1M | $2.98B |
| Kane, IL (4 branches) | 19 of 31 | 0.8% | $129.3M | $15.47B |
| Mclean, IL (1 branch) | 8 of 26 | 2.3% | $104.0M | $4.56B |
| Bureau, IL (2 branches) | 7 of 11 | 6.9% | $87.4M | $1.26B |
| Ogle, IL (1 branch) | 7 of 11 | 4.8% | $68.3M | $1.43B |
| Putnam, IL (1 branch) | 3 of 3 | 26.0% | $50.8M | $195.0M |
| Lee, IL (1 branch) | 6 of 10 | 4.5% | $38.3M | $842.9M |
| Champaign, IL (1 branch) | 29 of 29 | <0.1% | $5.3M | $7.55B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Ottawa, IL (8 branches) | 2 of 26 | 13.5% | $750.8M | $5.55B |
| Chicago-Naperville-Elgin, IL-IN-WI (7 branches) | 84 of 150 | <0.1% | $331.4M | $632.03B |
| Bloomington, IL (1 branch) | 8 of 26 | 2.3% | $104.0M | $4.56B |
| Rochelle, IL (1 branch) | 7 of 11 | 4.8% | $68.3M | $1.43B |
| Dixon, IL (1 branch) | 6 of 10 | 4.5% | $38.3M | $842.9M |
| Champaign-Urbana, IL (1 branch) | 29 of 29 | <0.1% | $5.3M | $8.20B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| First State Bank (main office) | Mendota, IL | 61342 | $391.0M |
| Sycamore Branch | Sycamore, IL | 60178 | $158.2M |
| Ottawa Branch | Ottawa, IL | 61350 | $104.1M |
| Bloomington Branch | Bloomington, IL | 61704 | $104.0M |
| Rochelle Branch | Rochelle, IL | 61068 | $68.3M |
| Princeton Branch | Princeton, IL | 61356 | $66.7M |
| Peru Branch | Peru, IL | 61354 | $64.4M |
| St. Charles West Branch | Saint Charles, IL | 60175 | $60.2M |
| Streator Branch | Streator, IL | 61364 | $53.2M |
| Mcnabb Branch | Mcnabb, IL | 61335 | $50.8M |
| West Brooklyn Branck Branch | West Brooklyn, IL | 61378 | $38.3M |
| North Aurora Office | North Aurora, IL | 60542 | $31.9M |
| Shabbona Branch | Shabbona, IL | 60550 | $29.1M |
| La Moille Facility | La Moille, IL | 61330 | $20.8M |
| Geneva Branch | Geneva, IL | 60134 | $20.7M |
| Batavia Branch | Batavia, IL | 60510 | $16.6M |
| Waterman Branch | Waterman, IL | 60556 | $14.8M |
| Champaign Branch | Champaign, IL | 61822 | $5.3M |
| Mendota Plaza Branch | Mendota, IL | 61342 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 15752) · FFIEC NIC profile (RSSD 887340)