Dix is a village located in Jefferson County, Illinois. Dix has a 2026 population of 456. Dix is currently declining at a rate of -0.65% annually and its population has decreased by -2.15% since the most recent census, which recorded a population of 466 in 2020.
The median household income in Dix is $46,339 with a poverty rate of 10.68%. The median age in Dix is 39.2 years: 40.7 years for males, and 35.1 years for females. For every 100 females there are 104.3 males.