Every FDIC-insured bank branch in Lake County, Indiana as of June 30, 2025. County land area: 499 square miles, 25.5 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Centier Bank | 24 | $4.95B |
| JPMorgan Chase Bank, National Association | 15 | $2.87B |
| Peoples Bank | 13 | $1.07B |
| Old National Bank | 12 | $1.00B |
| BMO Bank National Association | 11 | $678.3M |
| Fifth Third Bank, National Association | 9 | $807.8M |
| First Merchants Bank | 8 | $1.03B |
| First Financial Bank | 7 | $1.04B |
| Horizon Bank | 6 | $235.5M |
| First Savings Bank of Hegewisch | 5 | $173.5M |
| American Community Bank of Indiana | 5 | $347.1M |
| PNC Bank, National Association | 4 | $206.8M |
| Providence Bank & Trust | 3 | $288.3M |
| DeMotte State Bank | 2 | $112.6M |
| Old Plank Trail Community Bank, National Association | 2 | $215.4M |
| Woodforest National Bank | 1 | $2.2M |