From a total population of 3,096, Shelby has a median age of 41.1. The average age of males, in Shelby, is 40.8 while the average age of females is 41.3. When you compare this to median age of Montana, Shelby is 1.3 years older.
The median income of individuals, in Shelby, is $20,378 while the average household income is $44,464. When comparing the median income of people living in Shelby to the rest of Montana, the average income in Shelby is $5,599 less.