| Place Name | Alto Township |
| Place Type | Township |
| ZIP Code(s) | 60530 60553 61068 |
| County | Lee County |
| Area Code(s) | 815,779 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 695 |
| Majority Ethnicity | White 96.12% |
| Metro/Micro Stats Area | Dixon, IL |
| US Congressional District(s) | Illinois 16th |
| State House Districts | 90 |
| State Senate Districts | 45 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.12% |
| African American | 1.15% |
| Hispanic | 0.14% |
| Asian | 0.29% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.3% |