| Place Name | Green Bay Township (Lee County) |
| Place Type | Township |
| ZIP Code(s) | 52658 |
| County | Lee County |
| Area Code(s) | 319 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 686 |
| Majority Ethnicity | White 96.19% |
| Metro/Micro Stats Area | Fort Madison-Keokuk, IA-IL-MO |
| US Congressional District(s) | Iowa 2nd |
| State House Districts | 83 |
| State Senate Districts | 42 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.19% |
| African American | 0% |
| Hispanic | 1.76% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.05% |