From a total population of 36,715, Jasper County has a median age of 42. The average age of males, in Jasper County, is 39.9 while the average age of females is 44.5. When you compare this to median age of Iowa, Jasper County is 4.0 years older.
The median income of individuals, in Jasper County, is $25,825 while the average household income is $52,430. When comparing the median income of people living in Jasper County to the rest of Iowa, the average income in Jasper County is $1,796 less.