| Place Name | Olmsted |
| Place Type | Village |
| ZIP Code(s) | 62970 |
| County | Pulaski County |
| Area Code(s) | 618 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 433 |
| Population Growth Rate (2010-19) | -14.41% |
| Majority Ethnicity | White 86.11% |
| US Congressional District(s) | Illinois 12th |
| State House Districts | 118 |
| State Senate Districts | 59 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.11% |
| African American | 13.89% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |