| Place Name | Hanover |
| Place Type | Village |
| ZIP Code(s) | 61041 |
| County | Jo Daviess County |
| Area Code(s) | 815,779 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 820 |
| Population Growth Rate (2010-19) | 2.25% |
| Majority Ethnicity | White 90.88% |
| US Congressional District(s) | Illinois 17th |
| State House Districts | 89 |
| State Senate Districts | 45 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.88% |
| African American | 2.55% |
| Hispanic | 5.09% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.47% |