Grant township is located in Lincoln County, South Dakota. Grant township has a 2026 population of 403. Grant township is currently declining at a rate of 0% annually and its population has increased by 1% since the most recent census, which recorded a population of 399 in 2020.
The median household income in Grant township is $107,021 with a poverty rate of 0%. The median age in Grant township is 29.3 years: 18.8 years for males, and 43.6 years for females. For every 100 females there are 106.8 males.