Grant township is located in Marion County, Kansas. Grant township has a 2026 population of 124. Grant township is currently declining at a rate of -1.59% annually and its population has decreased by 0% since the most recent census, which recorded a population of 124 in 2020.
The median household income in Grant township is $62,143 with a poverty rate of 0%. The median age in Grant township is 46.2 years: 33 years for males, and 66.3 years for females. For every 100 females there are 92.9 males.