Branch Network
Security First Bank of North Dakota Locations & Branches New Salem, North Dakota
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Security First Bank of North Dakota operates 5 branches from its headquarters in New Salem, ND, .
Security First Bank of North Dakota branch network
All 5 branches are in NORTH DAKOTA, across 5 cities. Its largest office by deposits is the Mandan Branch office in Mandan, ND, with $67.9M (27.5% of its branch deposits). It had the same number of branches on June 30, 2025.
Security First Bank of North Dakota at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 12.99% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $293.2M
- Tier 1 leverage ratio, Q2 2026
- 12.99%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1925
Full financial profile · Is Security First Bank of North Dakota safe? · Security First Bank of North Dakota 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: New Salem, ND (1 branch) | 1 of 1 | 100.0% | $64.8M |
| State: ND (5 branches) | 32 of 70 | 0.6% | $246.8M |
Ranked by total assets among banks headquartered in the state: Largest banks in North Dakota.
Share by county and metro area
Security First Bank of North Dakota'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 |
|---|---|---|---|---|
| Morton, ND (3 branches) | 3 of 10 | 10.2% | $132.7M | $1.31B |
| Burleigh, ND (1 branch) | 14 of 16 | 1.2% | $66.6M | $5.57B |
| Oliver, ND (1 branch) | 1 of 1 | 100.0% | $47.5M | $47.5M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Bismarck, ND (5 branches) | 10 of 18 | 3.6% | $246.8M | $6.92B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Mandan Branch | Mandan, ND | 58554 | $67.9M |
| Security First Bank of North Dakota - Bismarck Branch | Bismarck, ND | 58503 | $66.6M |
| Security First Bank of North Dakota (main office) | New Salem, ND | 58563 | $64.8M |
| Center Branch | Center, ND | 58530 | $47.5M |
| Paying and Receiving Station Branch | Almont, ND | 58520 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 11519) · FFIEC NIC profile (RSSD 693952)