| Place Name | Salem Township |
| Place Type | Township |
| ZIP Code(s) | 52630 52641 52649 |
| County | Henry County |
| Area Code(s) | 319 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 804 |
| Majority Ethnicity | White 97.14% |
| US Congressional District(s) | Iowa 2nd |
| State House Districts | 84 |
| State Senate Districts | 42 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.14% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 1.04% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.82% |