Old Second National Bank branch locations
57 active branches in FDIC records across 1 state.
By state
Illinois57
Largest branches by deposits (2026)
- 37 S River St, Aurora, IL$867M
- 333 W Wacker Dr, Chicago, IL$440M
- 711 S Meyers Rd, Lombard, IL$299M
- 8001 Cass Ave, Darien, IL$247M
- 1515 W 22nd St Ste 100w, Oak Brook, IL$241M
- 3842 W 95th St, Evergreen Park, IL$180M
- 26 W Countryside Pkwy, Yorkville, IL$168M
- 1200 Douglas Rd, Oswego, IL$158M
- 749 N Main St, Elburn, IL$142M
- 2000 W Galena Blvd, Aurora, IL$123M
- 401 N Gary Ave, Carol Stream, IL$111M
- 355 W Army Trail Rd, Bloomingdale, IL$109M
- 1991 W Wilson St, Batavia, IL$107M
- 1350 N Farnsworth Ave, Aurora, IL$106M
- 200 John St, North Aurora, IL$99M
- 195 W Joe Orr Rd, Chicago Heights, IL$95M
- 194 S Main St, Burlington, IL$94M
- 20201 S La Grange Rd, Frankfort, IL$93M
- 522 N Sugar Grove Pkwy, Sugar Grove, IL$88M
- 2800 Finley Rd, Downers Grove, IL$88M
- 1122 S Main St, Lombard, IL$81M
- 1657 Bloomingdale Rd, Glendale Heights, IL$80M
- 3000 E Main St, St Charles, IL$78M
- 335 N Eola Rd, Aurora, IL$74M
- 1061 W Stearns Rd, Bartlett, IL$73M
Locations and branch deposits transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. Verify hours and services with the bank before visiting.