| Place Name | Cottage Grove Township |
| Place Type | Township |
| ZIP Code(s) | 66720 66748 66772 |
| County | Allen County |
| Area Code(s) | 620 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 407 |
| Majority Ethnicity | White 88.67% |
| US Congressional District(s) | Kansas 2nd |
| State House Districts | 9 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.67% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.33% |