| Place Name | Big River Township (Saint Francois County) |
| Place Type | Township |
| ZIP Code(s) | 63020 63087 63626 63628 |
| County | Saint Francois County |
| Area Code(s) | 573,636 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,641 |
| Majority Ethnicity | White 97.16% |
| Metro/Micro Stats Area | Farmington, MO |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 115 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.16% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 2.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |