MidFirst Bank holds $24.7B in deposits across 25 counties in 14 ranked markets and 7 states. Its deposit footprint is highly concentrated: the top three counties (Oklahoma County, Maricopa County, Los Angeles County) hold 79% of its deposits, and Oklahoma accounts for 66% of the total. It ranks among the three largest institutions in 7 of the 25 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. | Oklahoma County, OK | $13.1B | 52.9% | 29.3% | 20 |
| 2. | Maricopa County, AZ | $4.4B | 17.9% | 2.5% | 22 |
| 3. | Los Angeles County, CA | $2.1B | 8.6% | 0.4% | 3 |
| 4. | Tulsa County, OK | $1.1B | 4.4% | 3.2% | 10 |
| 5. | Cleveland County, OK | $720M | 2.9% | 12.8% | 7 |
| 6. | Denver County, CO | $663M | 2.7% | 1.2% | 2 |
| 7. | Canadian County, OK | $588M | 2.4% | 20.7% | 5 |
| 8. | Harris County, TX | $530M | 2.1% | 0.2% | 6 |
| 9. | Woodward County, OK | $200M | 0.8% | 19.9% | 2 |
| 10. | Grady County, OK | $154M | 0.6% | 10.9% | 1 |
| 11. | Clark County, NV | $150M | 0.6% | 0.1% | 1 |
| 12. | Custer County, OK | $118M | 0.5% | 10.7% | 1 |
| 13. | Fort Bend County, TX | $109M | 0.4% | 0.6% | 1 |
| 14. | Pottawatomie County, OK | $98M | 0.4% | 5.4% | 1 |
| 15. | Jackson County, OK | $92M | 0.4% | 14.8% | 1 |
| 16. | Dallas County, TX | $86M | 0.3% | 0.0% | 1 |
| 17. | Boulder County, CO | $77M | 0.3% | 0.6% | 1 |
| 18. | San Diego County, CA | $77M | 0.3% | 0.1% | 1 |
| 19. | Bexar County, TX | $74M | 0.3% | 0.0% | 1 |
| 20. | Caddo County, OK | $72M | 0.3% | 10.2% | 1 |
| 21. | Eagle County, CO | $63M | 0.3% | 2.1% | 1 |
| 22. | Santa Barbara County, CA | $57M | 0.2% | 0.4% | 1 |
| 23. | Payne County, OK | $42M | 0.2% | 1.9% | 1 |
| 24. | Salt Lake County, UT | $33M | 0.1% | 0.0% | 1 |
| 25. | Arapahoe County, CO | $0M | 0.0% | 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.