Number of Old Second National Bank locations in the US (2026)
141 locations
as of 2026-07-02 · 1 states
Top states
| State | Locations | Per 100k residents |
|---|---|---|
| IL | 141 | — |
Top cities
| City | Locations |
|---|---|
| Aurora, IL | 22 |
| Chicago, IL | 13 |
| Lombard, IL | 9 |
| Bolingbrook, IL | 4 |
| Carol Stream, IL | 4 |
| Naperville, IL | 4 |
| Yorkville, IL | 4 |
| Burlington, IL | 3 |
| Chicago Heights, IL | 3 |
| Elgin, IL | 3 |
Location count over time
No trend data yet
This brand is newly listed — a trend line appears here once a second monthly update lands.