Platte township is located in Charles Mix County, South Dakota. Platte township has a 2026 population of 300. Platte township is currently growing at a rate of 0.33% annually and its population has increased by 1.01% since the most recent census, which recorded a population of 297 in 2020.
The median household income in Platte township is $84,444 with a poverty rate of 0%. The median age in Platte township is 19.9 years: 43.1 years for males, and 19.9 years for females. For every 100 females there are 89.2 males.