Branch Network
Sterling Bank Locations & Branches Barron, Wisconsin
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Sterling Bank operates 4 branches from its headquarters in Barron, WI, .
Sterling Bank branch network
All 4 branches are in WISCONSIN, across 4 cities. Its largest office by deposits is the Chetek Branch office in Chetek, WI, with $124.1M (39.4% of its branch deposits). It had the same number of branches on June 30, 2025.
Sterling Bank at a glance
Its CET1 capital ratio was 13.52% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $352.4M
- CET1 ratio, Q2 2026
- 13.52%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1885
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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: Barron, WI (1 branch) | 1 of 2 | 71.2% | $116.1M |
| State: WI (4 branches) | 89 of 185 | 0.2% | $314.5M |
Ranked by total assets among banks headquartered in the state: Largest banks in Wisconsin.
Share by county and metro area
Sterling 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 |
|---|---|---|---|---|
| Barron, WI (3 branches) | 2 of 8 | 20.3% | $275.6M | $1.36B |
| Polk, WI (1 branch) | 9 of 11 | 4.1% | $38.9M | $945.4M |
Metro area share: not on file. None of this bank's branches sit in a metropolitan or micropolitan area in the FDIC branch directory.
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Chetek Branch | Chetek, WI | 54728 | $124.1M |
| Sterling Bank (main office) | Barron, WI | 54812 | $116.1M |
| Luck Branch | Luck, WI | 54853 | $38.9M |
| Rice Lake Branch | Rice Lake, WI | 54868 | $35.5M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 6195) · FFIEC NIC profile (RSSD 628356)