From a total population of 12,401, Marion County has a median age of 44.7. The average age of males, in Marion County, is 43.7 while the average age of females is 45.6. When you compare this to median age of Kansas, Marion County is 8.7 years older.
The median income of individuals, in Marion County, is $23,152 while the average household income is $45,964. When comparing the median income of people living in Marion County to the rest of Kansas, the average income in Marion County is $4,215 less.