Brook Lake, Minnesota

Geography According to the United States Census Bureau, the unorganized territory has a total area of 94.0 km² (36.3 mi²). 65.6 km² (25.3 mi²) of it is land and 28.4 km² (11.0 mi²) of it is water. The total area is 30.26% water.

Demographics As of the census of 2000, there are 200 people, 79 households, and 45 families residing in the unorganized territory. The population density is 3.1/km² (7.9/mi²). There are 180 housing units at an average density of 2.7/km² (7.1/mi²). The racial makeup of the unorganized territory is 56.50% White, 0.00% African American, 43.00% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.50% from other races, and 0.00% from two or more races. 3.50% of the population are Hispanic or Latino of any race.

There are 79 households out of which 25.3% have children under the age of 18 living with them, 46.8% are married couples living together, 6.3% have a female householder with no husband present, and 41.8% are non-families. 30.4% of all households are made up of individuals and 13.9% have someone living alone who is 65 years of age or older. The average household size is 2.53 and the average family size is 3.39.

In the unorganized territory the population is spread out with 25.5% under the age of 18, 11.0% from 18 to 24, 27.0% from 25 to 44, 23.5% from 45 to 64, and 13.0% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 102.0 males. For every 100 females age 18 and over, there are 93.5 males.

The median income for a household in the unorganized territory is $21,094, and the median income for a family is $31,667. Males have a median income of $53,750 versus $25,208 for females. The per capita income for the unorganized territory is $14,440. 17.1% of the population and 7.5% of families are below the poverty line. Out of the total people living in poverty, 0.0% are under the age of 18 and 14.3% are 65 or older.