Every FDIC-insured bank branch in Jefferson County, Missouri as of June 30, 2025. County land area: 656 square miles, 6.6 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| First State Community Bank | 6 | $426.4M |
| Enterprise Bank & Trust | 6 | $545.6M |
| Midwest BankCentre | 4 | $390.5M |
| U.S. Bank National Association | 3 | $426.0M |
| Bloomsdale Bank | 3 | $117.6M |
| Commerce Bank | 2 | $383.5M |
| PNC Bank, National Association | 2 | $85.9M |
| Midwest Regional Bank | 2 | $542.1M |
| Midland States Bank | 1 | $45.1M |
| Lindell Bank & Trust Company | 1 | $62.0M |
| First Bank | 1 | $38.2M |
| Regions Bank | 1 | $46.5M |
| Carrollton Bank | 1 | $204.4M |
| Town & Country Bank | 1 | $36.1M |
| Farmers and Merchants Bank of St. Clair | 1 | $81.5M |
| BMO Bank National Association | 1 | $46.2M |
| Bank Star | 1 | $82.8M |
| Ozarks Federal Savings and Loan Association | 1 | $42.3M |
| Southern Bank | 1 | $108.3M |
| Bank of America, National Association | 1 | $157.1M |
| MRV Banks | 1 | $39.6M |
| JPMorgan Chase Bank, National Association | 1 | $8.3M |
| UMB Bank, National Association | 1 | $90.7M |