| Place Name | Havana |
| Place Type | City |
| ZIP Code(s) | 62644 |
| County | Mason County |
| Area Code(s) | 309 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 3,281 |
| Population Growth Rate (2010-19) | -10.24% |
| Majority Ethnicity | White 98.19% |
| US Congressional District(s) | Illinois 18th |
| State House Districts | 93 |
| State Senate Districts | 47 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.19% |
| African American | 1.11% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.7% |