Branch Network
NorthStar Bank Locations & Branches Estherville, Iowa
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NorthStar Bank operates 3 branches from its headquarters in Estherville, IA, .
NorthStar Bank branch network
All 3 branches are in IOWA, across 2 cities. Estherville, IA has the most of its branches, 2. Its largest office by deposits is its main office in Estherville, IA, with $143.9M (85.6% of its branch deposits). It had the same number of branches on June 30, 2025.
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: Estherville, IA (2 branches) | 1 of 3 | 54.5% | $143.9M |
| State: IA (3 branches) | 159 of 261 | 0.1% | $168.1M |
Ranked by total assets among banks headquartered in the state: Largest banks in Iowa.
Share by county and metro area
NorthStar 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 |
|---|---|---|---|---|
| Emmet, IA (3 branches) | 1 of 4 | 48.7% | $168.1M | $345.5M |
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 |
|---|---|---|---|
| NorthStar Bank (main office) | Estherville, IA | 51334 | $143.9M |
| Armstrong Branch | Armstrong, IA | 50514 | $24.2M |
| Estherville - Downtown Driveup | Estherville, IA | 51334 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 34407) · FFIEC NIC profile (RSSD 2562137)