| Place Name | Summit Township (Obrien County) |
| Place Type | Township |
| ZIP Code(s) | 51231 51245 51248 |
| County | Obrien County |
| Area Code(s) | 712 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 547 |
| Majority Ethnicity | White 84.31% |
| US Congressional District(s) | Iowa 4th |
| State House Districts | 3 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.31% |
| African American | 8.56% |
| Hispanic | 0.71% |
| Asian | 3.21% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.21% |