From a total population of 20,515, Martin County has a median age of 45.6. The average age of males, in Martin County, is 44.3 while the average age of females is 47.8. When you compare this to median age of Minnesota, Martin County is 8.0 years older.
The median income of individuals, in Martin County, is $27,629 while the average household income is $52,579. When comparing the median income of people living in Martin County to the rest of Minnesota, the average income in Martin County is $4,013 less.