Dahlen () is a census-designated place and an unincorporated community in Nelson County, North Dakota, United States. It was designated as part of the United States Census Bureau's Participant Statistical Areas Program on March 31, 2010. It was not counted separately during the 2000 census, but was included in the 2010 census, where a population of 18 was reported. The population was 17 at the 2020 census. Dahlen is also the home to North Dakota's third tallest tower, the WDAZ TV Tower, which is tall. The tower is used by television station WDAZ of Grand Forks. The tower was also used by KGFE of Grand Forks until an ice storm damaged equipment in 2004. Demographics References Census-designated places in North Dakota Census-designated places in Nelson County, North Dakota Unincorporated communities in North Dakota Unincorporated communities in Nelson County, North Dakota