Fall Creek township is located in Adams County, Illinois. Fall Creek township has a 2026 population of 515. Fall Creek township is currently declining at a rate of -0.58% annually and its population has decreased by -2.65% since the most recent census, which recorded a population of 529 in 2020.
The median household income in Fall Creek township is $74,191 with a poverty rate of 0%. The median age in Fall Creek township is 70.3 years: 70.5 years for males, and 70 years for females. For every 100 females there are 82.1 males.