From a total population of 11,496, Fergus County has a median age of 48.4. The average age of males, in Fergus County, is 46.2 while the average age of females is 50.2. When you compare this to median age of Montana, Fergus County is 8.6 years older.
The median income of individuals, in Fergus County, is $25,867 while the average household income is $42,865. When comparing the median income of people living in Fergus County to the rest of Montana, the average income in Fergus County is $110 less.