Cornerstone Bank holds $2.3B in deposits across 23 counties in 2 ranked markets and 1 state. Its deposit footprint is concentrated: the top three counties (York County, Clay County, Boone County) hold 59% of its deposits. It ranks among the three largest institutions in 11 of the 23 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. | York County, NE | $1.0B | 44.5% | 66.2% | 9 |
| 2. | Clay County, NE | $184M | 7.9% | 76.3% | 6 |
| 3. | Boone County, NE | $142M | 6.1% | 30.1% | 2 |
| 4. | Platte County, NE | $119M | 5.1% | 6.9% | 4 |
| 5. | Hamilton County, NE | $105M | 4.5% | 21.3% | 3 |
| 6. | Polk County, NE | $90M | 3.9% | 39.6% | 2 |
| 7. | Franklin County, NE | $77M | 3.3% | 53.2% | 2 |
| 8. | Cass County, NE | $69M | 3.0% | 11.6% | 2 |
| 9. | Antelope County, NE | $64M | 2.8% | 19.0% | 2 |
| 10. | Hall County, NE | $58M | 2.5% | 1.9% | 3 |
| 11. | Madison County, NE | $56M | 2.4% | 2.4% | 1 |
| 12. | Merrick County, NE | $52M | 2.2% | 19.2% | 1 |
| 13. | Fillmore County, NE | $50M | 2.2% | 9.5% | 1 |
| 14. | Buffalo County, NE | $46M | 2.0% | 2.0% | 1 |
| 15. | Thayer County, NE | $29M | 1.3% | 6.6% | 1 |
| 16. | Kearney County, NE | $29M | 1.2% | 10.7% | 1 |
| 17. | Saunders County, NE | $26M | 1.1% | 2.9% | 1 |
| 18. | Sherman County, NE | $20M | 0.8% | 15.7% | 1 |
| 19. | Valley County, NE | $19M | 0.8% | 8.0% | 1 |
| 20. | Butler County, NE | $15M | 0.7% | 3.8% | 1 |
| 21. | Webster County, NE | $13M | 0.6% | 13.2% | 1 |
| 22. | Knox County, NE | $13M | 0.5% | 2.8% | 1 |
| 23. | Wheeler County, NE | $13M | 0.5% | 32.9% | 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.