| Place Name | Salem Township (Knox County) |
| Place Type | Township |
| ZIP Code(s) | 61458 61529 61531 61572 |
| County | Knox County |
| Area Code(s) | 309 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,062 |
| Majority Ethnicity | White 98.76% |
| Metro/Micro Stats Area | Galesburg, IL |
| US Congressional District(s) | Illinois 17th |
| State House Districts | 74 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.76% |
| African American | 0.48% |
| Hispanic | 0% |
| Asian | 0.48% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.29% |