Salem township is located in McCook County, South Dakota. Salem township has a 2026 population of 277. Salem township is currently declining at a rate of 0% annually and its population has increased by 3.36% since the most recent census, which recorded a population of 268 in 2020.
The median household income in Salem township is $100,000 with a poverty rate of 24.62%. The median age in Salem township is 57.4 years: 53.2 years for males, and 71.5 years for females. For every 100 females there are 73.0 males.