
Salem
- County:
- McCook County
- County Seat:
- No
- Area (mi²):
- 1.25
- State:
- South Dakota
Salem is a city located in McCook County, South Dakota. Salem has a 2025 population of 1,337. Salem is currently growing at a rate of 0.07% annually and its population has increased by 0.45% since the most recent census, which recorded a population of 1,331 in 2020.
The average household income in Salem is $86,935 with a poverty rate of 6.34%. The median age in Salem is 43.7 years: 39.5 years for males, and 48.3 years for females.