| Place Name | Olio Township |
| Place Type | Township |
| ZIP Code(s) | 61530 61729 61771 |
| County | Woodford County |
| Area Code(s) | 309 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 4,749 |
| Majority Ethnicity | White 91.89% |
| Metro/Micro Stats Area | Peoria, IL |
| US Congressional District(s) | Illinois 18th |
| State House Districts | 106 |
| State Senate Districts | 53 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.89% |
| African American | 1.74% |
| Hispanic | 0% |
| Asian | 0.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.04% |