Southeast Roseau is an unorganized territory in Roseau County, Minnesota, United States. The population was 215 at the 2020 census.
There were 88 households, out of which 31.8% had children under the age of 18 living with them, 68.2% were married couples living together, 9.1% had a female householder with no husband present. 18.2% of all households were made up of individuals, and 4.5% had someone living alone who was 65 years of age or older.
In the unorganized territory the population was spread out, with 24.2% below the age of 18, 73.0% over the age of 21, 24.7% over the age of 62, and 16.7% over the age of 65. The median age was 42.4 years. 47.9% of the population was female, with 52.1% being male.
As of 2023, the median income for a household in the unorganized territory was USD$168,750.