From a total population of 20,702, Carroll County has a median age of 41.9. The average age of males, in Carroll County, is 40.1 while the average age of females is 44.1. When you compare this to median age of Iowa, Carroll County is 3.9 years older.
The median income of individuals, in Carroll County, is $26,479 while the average household income is $48,998. When comparing the median income of people living in Carroll County to the rest of Iowa, the average income in Carroll County is $1,142 less.