From a total population of 3,510, Sheridan County has a median age of 47.7. The average age of males, in Sheridan County, is 47.8 while the average age of females is 47.7. When you compare this to median age of Montana, Sheridan County is 7.9 years older.
The median income of individuals, in Sheridan County, is $31,642 while the average household income is $47,348. When comparing the median income of people living in Sheridan County to the rest of Montana, the average income in Sheridan County is $5,665 more.