| Place Name | Nielsville |
| Place Type | City |
| ZIP Code(s) | 56568 |
| County | Polk County |
| Area Code(s) | 218 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 142 |
| Population Growth Rate (2010-19) | -13.33% |
| Majority Ethnicity | White 59.09% |
| Metro/Micro Stats Area | Grand Forks, ND-MN |
| US Congressional District(s) | Minnesota 7th |
| State House Districts | 01B |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 59.09% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 40.91% |