Old Second National Bank
Old Second National Bank of Aurora, IL, chartered 1887: 53 offices, $6.86bn in assets, a 12.05% leverage ratio. Straight from the federal record.
Old Second National Bank is an FDIC-insured community bank headquartered in Aurora, IL, chartered in 1887. It is supervised by the Office of the Comptroller of the Currency and held by Old Second Bcorp Inc. Every figure below is filed by the bank with its regulator and reproduced here unchanged.
Where Old Second National Bank has branches
53 full-service offices across 1 state:
- Illinois: 53 offices in 41 towns, holding $4.87bn at 30 June 2025
Old Second National Bank on its latest Call Report, 30 June 2026
- Total assets: $6.86bn
- Total deposits: $5.47bn
- Tier 1 leverage ratio: 12.05%
- Total risk-based capital ratio: 14.77%
- Noncurrent loans, as a share of loans: 1.08%
- Return on assets: 1.69%
- Net interest margin: 5.26%
- Staff: 1,052
Compare Old Second National Bank against every other bank with a branch in Illinois, or find the offices nearest you.
Charter and office records from the FDIC BankFind Suite; capital, loan and earnings figures from the bank's own Call Report; deposits by office from the FDIC Summary of Deposits, counted each 30 June.