Iowa township is located in Douglas County, South Dakota. Iowa township has a 2026 population of 88. Iowa 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 88 in 2020.
The median household income in Iowa township is $250,001 with a poverty rate of 0%. The median age in Iowa township is 32 years: 34.2 years for males, and 29.3 years for females. For every 100 females there are 98.3 males.