From a total population of 32,411, Marion County has a median age of 39.7. The average age of males, in Marion County, is 37.3 while the average age of females is 42.3. When you compare this to median age of South Carolina, Marion County is 1.4 years older.
The median income of individuals, in Marion County, is $16,743 while the average household income is $29,884. When comparing the median income of people living in Marion County to the rest of South Carolina, the average income in Marion County is $7,479 less.