Plum township is located in Phillips County, Kansas. Plum township has a 2026 population of 304. Plum township is currently declining at a rate of -0.65% annually and its population has decreased by -4.4% since the most recent census, which recorded a population of 318 in 2020.
The median household income in Plum township is $57,885 with a poverty rate of 21.45%. The median age in Plum township is 45.1 years: 47.3 years for males, and 38 years for females. For every 100 females there are 88.7 males.