| Place Name | Olive Township |
| Place Type | Township |
| ZIP Code(s) | 62001 62058 62074 62088 62097 |
| County | Madison County |
| Area Code(s) | 618,217 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,569 |
| Majority Ethnicity | White 99.12% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Illinois 13th |
| State House Districts | 95 |
| State Senate Districts | 48 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.12% |
| African American | 0% |
| Hispanic | 0.07% |
| Asian | 0.07% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.75% |