Grant township is located in Roberts County, South Dakota. Grant township has a 2026 population of 173. Grant township is currently declining at a rate of 0% annually and its population has increased by 1.17% since the most recent census, which recorded a population of 171 in 2020.
The median household income in Grant township is $105,417 with a poverty rate of 16.38%. The median age in Grant township is 52.7 years: 53.5 years for males, and 52.2 years for females. For every 100 females there are 103.4 males.