River township is located in Red Lake County, Minnesota. River township has a 2026 population of 61. River township is currently declining at a rate of -1.61% annually and its population has decreased by -1.61% since the most recent census, which recorded a population of 62 in 2020.
The median household income in River township is $82,125 with a poverty rate of 0%. The median age in River township is 38.1 years: 38.1 years for males, and 60.5 years for females. For every 100 females there are 108.0 males.