| Place Name | Magnolia |
| Place Type | Town |
| ZIP Code(s) | 53502 53520 53536 |
| County | Rock County |
| Area Code(s) | 608 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 853 |
| Majority Ethnicity | White 93.46% |
| Metro/Micro Stats Area | Janesville-Beloit, WI |
| US Congressional District(s) | Wisconsin 2nd |
| State Assembly Districts | 45 |
| State Senate Districts | 15 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.46% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.54% |