Branch Network
Banknorth Locations & Branches Arthur, North Dakota
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Banknorth operates 11 branches from its headquarters in Arthur, ND, .
Banknorth branch network
Its 11 branches span 2 states and 11 cities. The most are in NORTH DAKOTA (9) and SOUTH DAKOTA (2). NORTH DAKOTA holds 81.0% of its branch deposits. Its largest office by deposits is the Lamoure Branch office in Lamoure, ND, with $78.6M (14.3% of its branch deposits). It had the same number of branches on June 30, 2025.
Banknorth at a glance
Its CET1 capital ratio was 10.47% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $694.1M
- CET1 ratio, Q2 2026
- 10.47%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1905
Full financial profile · Is Banknorth safe? · Banknorth 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: Arthur, ND (1 branch) | 1 of 1 | 100.0% | $70.6M |
| State: ND (9 branches) | 21 of 70 | 1.0% | $445.0M |
Ranked by total assets among banks headquartered in the state: Largest banks in North Dakota.
Share by county and metro area
Banknorth'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 |
|---|---|---|---|---|
| Cass, ND (4 branches) | 13 of 28 | 1.9% | $217.7M | $11.27B |
| Ransom, ND (2 branches) | 1 of 4 | 47.2% | $116.9M | $248.0M |
| Brown, SD (2 branches) | 6 of 12 | 5.2% | $104.6M | $2.00B |
| Lamoure, ND (2 branches) | 1 of 4 | 47.7% | $78.6M | $164.8M |
| Dickey, ND (1 branch) | 3 of 3 | 13.6% | $31.8M | $233.2M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Fargo, ND-MN (4 branches) | 13 of 32 | 1.7% | $217.7M | $12.93B |
| Aberdeen, SD (2 branches) | 7 of 15 | 4.7% | $104.6M | $2.22B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Lamoure Branch | Lamoure, ND | 58458 | $78.6M |
| Banknorth (main office) | Arthur, ND | 58006 | $70.6M |
| Casselton Branch | Casselton, ND | 58012 | $69.3M |
| Warner Branch | Warner, SD | 57479 | $66.0M |
| Enderlin Branch | Enderlin, ND | 58027 | $65.9M |
| Harwood Branch | Harwood, ND | 58042 | $52.2M |
| Lisbon Branch | Lisbon, ND | 58054 | $51.0M |
| Aberdeen Ken's Branch | Aberdeen, SD | 57401 | $38.6M |
| Oakes Branch | Oakes, ND | 58474 | $31.8M |
| Buffalo Branch | Buffalo, ND | 58011 | $25.6M |
| Marion Branch | Marion, ND | 58466 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 8387) · FFIEC NIC profile (RSSD 721350)