RCB Bank holds $3.5B in deposits across 21 counties in 4 ranked markets and 2 states. Its deposit footprint is concentrated: the top three counties (Rogers County, Tulsa County, Kay County) hold 47% of its deposits, and Oklahoma accounts for 82% of the total. It ranks among the three largest institutions in 8 of the 21 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. | Rogers County, OK | $719M | 20.5% | 60.8% | 7 |
| 2. | Tulsa County, OK | $466M | 13.3% | 1.4% | 5 |
| 3. | Kay County, OK | $461M | 13.2% | 35.2% | 5 |
| 4. | Mayes County, OK | $375M | 10.7% | 37.7% | 3 |
| 5. | Cowley County, KS | $331M | 9.5% | 35.7% | 7 |
| 6. | Oklahoma County, OK | $236M | 6.7% | 0.5% | 7 |
| 7. | Payne County, OK | $222M | 6.3% | 10.1% | 4 |
| 8. | Reno County, KS | $162M | 4.6% | 10.5% | 4 |
| 9. | Osage County, OK | $113M | 3.2% | 18.4% | 2 |
| 10. | Craig County, OK | $76M | 2.2% | 23.0% | 2 |
| 11. | Sedgwick County, KS | $63M | 1.8% | 0.3% | 3 |
| 12. | Creek County, OK | $62M | 1.8% | 5.1% | 1 |
| 13. | Cleveland County, OK | $37M | 1.0% | 0.7% | 1 |
| 14. | Sumner County, KS | $33M | 0.9% | 5.1% | 2 |
| 15. | Canadian County, OK | $30M | 0.8% | 1.0% | 1 |
| 16. | Butler County, KS | $27M | 0.8% | 1.6% | 1 |
| 17. | Washington County, OK | $27M | 0.8% | 2.7% | 1 |
| 18. | Wagoner County, OK | $21M | 0.6% | 3.5% | 1 |
| 19. | Montgomery County, KS | $17M | 0.5% | 2.4% | 1 |
| 20. | Douglas County, KS | $13M | 0.4% | 0.4% | 2 |
| 21. | Delaware County, OK | $10M | 0.3% | 1.2% | 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.