Prairie Lake township
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 35.587
- State:
- Minnesota
Prairie Lake township is located in St. Louis County, Minnesota. Prairie Lake township has a 2026 population of 45. Prairie Lake township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 45 in 2020.
The median household income in Prairie Lake township is $87,500 with a poverty rate of 1.96%. The median age in Prairie Lake township is 59.3 years: 64 years for males, and 55.5 years for females. For every 100 females there are 75.9 males.