| Place Name | Portage Township |
| Place Type | Township |
| ZIP Code(s) | 63848 63870 63873 |
| County | New Madrid County |
| Area Code(s) | 573 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 3,319 |
| Majority Ethnicity | White 87.1% |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 149 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.1% |
| African American | 12.72% |
| Hispanic | 0.11% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.07% |