| Place Name | Barnum |
| Place Type | City |
| ZIP Code(s) | 55707 |
| County | Carlton County |
| Area Code(s) | 218 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 600 |
| Population Growth Rate (2010-19) | 1.14% |
| Majority Ethnicity | White 98.03% |
| Metro/Micro Stats Area | Duluth, MN-WI |
| US Congressional District(s) | Minnesota 8th |
| State House Districts | 11A |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.03% |
| African American | 1.1% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.88% |