Banks in Sumner County, Kansas
14 active bank branches operated by 10 institutions, per FDIC records.
Active branches
14
Banks present
10
Deposits (2025)
$640M
Closings since 2020
0
0 openings
Largest banks by deposits in Sumner County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Impact Bank | $140M | 21.8% | 2 |
| Carson Bank | $123M | 19.3% | 1 |
| The Valley State Bank | $81M | 12.7% | 1 |
| The Stock Exchange Bank, Caldwell, Kansas | $62M | 9.7% | 1 |
| Bank of Commerce and Trust Company | $59M | 9.2% | 2 |
| The First Security Bank | $52M | 8.1% | 2 |
| The Security State Bank | $44M | 6.9% | 1 |
| Vintage Bank Kansas | $40M | 6.3% | 1 |
| RCB Bank | $33M | 5.1% | 2 |
| Bank of Commerce | $6M | 0.9% | 1 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.