| Place Name | Grinnell Township |
| Place Type | Township |
| ZIP Code(s) | 67738 67740 67748 |
| County | Gove County |
| Area Code(s) | 785 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 393 |
| Majority Ethnicity | White 97.95% |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 118 |
| State Senate Districts | 40 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.95% |
| African American | 2.05% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |