Madison is a city located in Madison County Illinois. With a 2020 population of 3,682, it is the 385th largest city in Illinois and the 5638th largest city in the United States . Madison is currently declining at a rate of -1.02% annually and its population has decreased by -5.37% since the most recent census, which recorded a population of 3,891 in 2010. Madison reached it's highest population of 7,963 in 1950. Spanning over 15 miles, Madison has a population density of 302 people per square mile.
The average household income in Madison is $36,533 with a poverty rate of 28.10%. The median rental costs in recent years comes to $738 per month, and the median house value is $44,700. The median age in Madison is 39.3 years, 38.3 years for males, and 40.3 years for females.