| Place Name | Havana Township |
| Place Type | Township |
| ZIP Code(s) | 61567 62633 62644 |
| County | Mason County |
| Area Code(s) | 309 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 4,417 |
| Majority Ethnicity | White 97.37% |
| US Congressional District(s) | Illinois 18th |
| State House Districts | 93 |
| State Senate Districts | 47 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.37% |
| African American | 0.81% |
| Hispanic | 0.09% |
| Asian | 0.28% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.44% |