Every FDIC-insured bank branch in St. Tammany Parish, Louisiana as of June 30, 2025. County land area: 845 square miles, 9.0 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Hancock Whitney Bank | 9 | $1.76B |
| Home Bank, National Association | 6 | $291.1M |
| Resource Bank | 6 | $644.9M |
| JPMorgan Chase Bank, National Association | 6 | $1.33B |
| Citizens Bank & Trust Company | 5 | $161.4M |
| Regions Bank | 4 | $726.5M |
| Heritage Bank of St Tammany | 4 | $156.9M |
| Gulf Coast Bank and Trust Company | 4 | $452.7M |
| Capital One, National Association | 4 | $808.9M |
| Renasant Bank | 3 | $33.1M |
| FIDELITY BANK | 3 | $128.1M |
| First Horizon Bank | 3 | $178.2M |
| Metairie Bank & Trust Company | 2 | $67.2M |
| American Bank | 2 | $74.7M |
| Woodforest National Bank | 2 | $3.6M |
| BankPlus | 2 | $326.0M |
| M C Bank & Trust Company | 1 | $9.6M |
| Bank of Louisiana | 1 | $42.3M |
| Bonvenu Bank, National Association | 1 | $42.5M |
| Fifth District Savings Bank | 1 | $30.4M |
| Mutual Savings and Loan Association | 1 | $4.8M |
| Citizens Savings Bank | 1 | $35.3M |
| Crescent Bank | 1 | $105.5M |
| Red River Bank | 1 | $30.3M |
| b1BANK | 1 | $225.7M |
| Investar Bank, National Association | 1 | $41.3M |
| First American Bank and Trust | 1 | $11.4M |