
Monroe
- County:
- Turner County
- County Seat:
- No
- Area (mi²):
- 0.379
- State:
- South Dakota
Monroe is a town located in Turner County, South Dakota. Monroe has a 2025 population of 162. Monroe is currently growing at a rate of 0.62% annually and its population has increased by 3.85% since the most recent census, which recorded a population of 156 in 2020.
The average household income in Monroe is $48,969 with a poverty rate of 21.52%. The median age in Monroe is 33.8 years: 38.5 years for males, and 32.6 years for females.