| население | |
| Blackduck | 779 |
| Blackduck (historical) | |
| Blackduck Ambulance Service | |
| Blackduck City Hall | |
| Blackduck Evangelical Free Church | |
| Blackduck Fire Department | |
| Blackduck High School |
 | Bemidji Regional Airport | ~ 37.64 км |
| Grand Rapids Itasca Co-Gordon Newstrom field | ~ 96.83 км |
| Park Rapids Municipal Konshok Field | ~ 99.98 км |
| Baudette International Airport | ~ 111.52 км |
| Falls International Airport | ~ 126.25 км |
| Thief River Falls Regional Airport | ~ 127.72 км |
 | Fort Frances Municipal Airport | ~ 131.86 км |
| Range Regional Airport | ~ 133.72 км |
| Detroit Lakes Airport - Wething Field | ~ 142.20 км |
