City Rankings & Insights
This page ranks banks in OAK BROOK, ILLINOIS by Efficiency Ratio for the 2024Q4 period. Values are reported in percentage terms as of 2024-12-31. Use the table below to review institutions and click any bank to open its detailed call‑report profile.
- Average: 60.17%
- Median: 60.17%
- Min / Max: 56.66% — 63.68%
Top banks by Efficiency Ratio in OAK BROOK
| Bank | Efficiency Ratio |
|---|---|
| REPUBLIC BANK OF CHICAGO | 63.68% |
| EVERGREEN BANK GROUP | 56.66% |