Arrington township is located in Wayne County, Illinois. Arrington township has a 2026 population of 312. Arrington township is currently growing at a rate of 0.32% annually but its population has decreased by -0.64% since the most recent census, which recorded a population of 314 in 2020.
The median household income in Arrington township is $48,056 with a poverty rate of 3.83%. The median age in Arrington township is 60.2 years: 59.4 years for males, and 67.4 years for females. For every 100 females there are 119.2 males.