From a total population of 21,269, Blaine County has a median age of 42.4. The average age of males, in Blaine County, is 41.8 while the average age of females is 43. When you compare this to median age of Idaho, Blaine County is 7.2 years older.
The median income of individuals, in Blaine County, is $34,517 while the average household income is $62,489. When comparing the median income of people living in Blaine County to the rest of Idaho, the average income in Blaine County is $11,430 more.