Poplar River Township, Red Lake County, Minnesota

According to the United States Census Bureau, the township has a total area of 34.9 square miles (90.5 km²), all land.

At the 2000 census,[1] there were 125 people, 48 households and 39 families residing in the township. The population density was 3.6 per square mile (1.4/km²). There were 55 housing units at an average density of 1.6/sq mi (0.6/km²). The racial makeup of the township was 100.00% White.

There were 48 households, of which 27.1% had children under the age of 18 living with them, 75.0% were married couples living together, 2.1% had a female householder with no husband present, and 16.7% were non-families. 14.6% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 2.90.

18.4% of the population were under the age of 18, 8.0% from 18 to 24, 17.6% from 25 to 44, 29.6% from 45 to 64, and 26.4% who were 65 years of age or older. The median age was 47 years. For every 100 females, there were 98.4 males. For every 100 females age 18 and over, there were 112.5 males.

The median household income was $36,250 and the median family income was $46,875. Males had a median income of $27,708 and females $21,250. The per capita income was $17,900. There were 9.8% of families and 7.8% of the population living below the poverty line, including 7.4% of under eighteens and none of those over 64.