| Place Name | Oak Grove (Barron County) |
| Place Type | Town |
| ZIP Code(s) | 54817 54868 54870 |
| County | Barron County |
| Area Code(s) | 535,715 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,011 |
| Majority Ethnicity | White 94.64% |
| US Congressional District(s) | Wisconsin 7th |
| State Assembly Districts | 75 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.64% |
| African American | 0% |
| Hispanic | 0.29% |
| Asian | 0.49% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.58% |