City Rankings & Insights
This page ranks banks in MASON CITY, IOWA 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: 55.70%
- Median: 55.70%
- Min / Max: 48.88% — 62.51%
Top banks by Efficiency Ratio in MASON CITY
| Bank | Efficiency Ratio |
|---|---|
| NSB BANK | 62.51% |
| FIRST CITIZENS BANK | 48.88% |