| Place Name | West Branch Township |
| Place Type | Township |
| County | Marion County |
| Area Code(s) | 620 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 958 |
| Majority Ethnicity | White 98.94% |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 74 |
| State Senate Districts | 35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.94% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.06% |