From a total population of 18,516, Shelbyville has a median age of 36. The average age of males, in Shelbyville, is 35.9 while the average age of females is 36. When you compare this to median age of Indiana, Shelbyville is 1.2 years younger.
The median income of individuals, in Shelbyville, is $21,240 while the average household income is $41,525. When comparing the median income of people living in Shelbyville to the rest of Indiana, the average income in Shelbyville is $3,713 less.