
Lake Prairie township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 70.362
- State:
- Iowa
Lake Prairie township is located in Marion County, Iowa. Lake Prairie township has a 2025 population of 12,795. Lake Prairie 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 0 in 2020.
The average household income in Lake Prairie township is $110,289 with a poverty rate of 5.18%. The median age in Lake Prairie township is 36.7 years: 30.3 years for males, and 41.5 years for females.