From a total population of 23,275, Cassia County has a median age of 31.7. The average age of males, in Cassia County, is 31 while the average age of females is 33.3. When you compare this to median age of Idaho, Cassia County is 3.5 years younger.
The median income of individuals, in Cassia County, is $17,942 while the average household income is $44,847. When comparing the median income of people living in Cassia County to the rest of Idaho, the average income in Cassia County is $5,145 less.