First International Bank & Trust holds $4.8B in deposits across 17 counties in 7 ranked markets and 4 states. Its deposit footprint is concentrated: the top three counties (Cass County, Mckenzie County, Maricopa County) hold 57% of its deposits, and North Dakota accounts for 81% of the total. It ranks among the three largest institutions in 9 of the 17 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches | |
|---|---|---|---|---|---|
| 1. | Cass County, ND | $1.1B | 23.9% | 10.3% | 3 |
| 2. | Mckenzie County, ND | $1.0B | 20.8% | 73.2% | 3 |
| 3. | Maricopa County, AZ | $613M | 12.8% | 0.3% | 4 |
| 4. | Ward County, ND | $503M | 10.5% | 15.8% | 3 |
| 5. | Williams County, ND | $407M | 8.5% | 19.7% | 2 |
| 6. | Burleigh County, ND | $309M | 6.4% | 6.1% | 1 |
| 7. | Wells County, ND | $168M | 3.5% | 51.5% | 2 |
| 8. | Dunn County, ND | $130M | 2.7% | 23.7% | 1 |
| 9. | Clay County, MN | $105M | 2.2% | 6.6% | 1 |
| 10. | Todd County, MN | $92M | 1.9% | 23.0% | 1 |
| 11. | Pierce County, ND | $76M | 1.6% | 26.4% | 1 |
| 12. | Minnehaha County, SD | $70M | 1.4% | 0.0% | 1 |
| 13. | Grand Forks County, ND | $58M | 1.2% | 1.9% | 1 |
| 14. | Grant County, ND | $56M | 1.2% | 47.0% | 1 |
| 15. | Morton County, ND | $32M | 0.7% | 2.6% | 1 |
| 16. | Morrison County, MN | $20M | 0.4% | 2.9% | 1 |
| 17. | Hennepin County, MN | $19M | 0.4% | 0.0% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,533 counties within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates.