Muddy is a village located in Saline County, Illinois. Muddy has a 2026 population of 57. Muddy is currently declining at a rate of 0% annually and its population has decreased by -3.39% since the most recent census, which recorded a population of 59 in 2020.
The median age in Muddy is 56.4 years: 68.4 years for males, and 54 years for females. For every 100 females there are 28.8 males.