| Place Name | Meridian Township |
| Place Type | Township |
| ZIP Code(s) | 62231 62801 62882 |
| County | Clinton County |
| Area Code(s) | 618 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 555 |
| Majority Ethnicity | White 89.66% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Illinois 15th |
| State House Districts | 107,108 |
| State Senate Districts | 54 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.66% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 5.35% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.99% |