| Place Name | Coldwater Township |
| Place Type | Township |
| ZIP Code(s) | 50602 50611 50636 |
| County | Butler County |
| Area Code(s) | 641 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,418 |
| Majority Ethnicity | White 90.16% |
| US Congressional District(s) | Iowa 4th |
| State House Districts | 54 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.16% |
| African American | 2.12% |
| Hispanic | 0.28% |
| Asian | 4.6% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.83% |