| Place Name | Berwick Township |
| Place Type | Township |
| ZIP Code(s) | 61410 61415 61417 61473 61474 |
| County | Warren County |
| Area Code(s) | 309 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 300 |
| Majority Ethnicity | White 95.44% |
| US Congressional District(s) | Illinois 17th |
| State House Districts | 93 |
| State Senate Districts | 47 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.44% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 2.28% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.28% |