Liberty is a village located in Adams County, Illinois. Liberty has a 2026 population of 523. Liberty is currently declining at a rate of -0.57% annually and its population has decreased by -3.15% since the most recent census, which recorded a population of 540 in 2020.
The median household income in Liberty is $78,977 with a poverty rate of 6.36%. The median age in Liberty is 42.2 years: 43 years for males, and 37.8 years for females. For every 100 females there are 77.8 males.