Liberty township is located in Adams County, Illinois. Liberty township has a 2026 population of 727. Liberty township is currently declining at a rate of 0% annually and its population has decreased by -1.09% since the most recent census, which recorded a population of 735 in 2020.
The median household income in Liberty township is $61,471 with a poverty rate of 19.97%. The median age in Liberty township is 33 years: 32.9 years for males, and 33.6 years for females. For every 100 females there are 117.6 males.