From a total population of 5,165, Madison County has a median age of 43. The average age of males, in Madison County, is 40.7 while the average age of females is 43.8. When you compare this to median age of Iowa, Madison County is 5.0 years older.
The median income of individuals, in Madison County, is $21,679 while the average household income is $39,598. When comparing the median income of people living in Madison County to the rest of Iowa, the average income in Madison County is $5,942 less.