From a total population of 14,966, Butler County has a median age of 43.6. The average age of males, in Butler County, is 42.2 while the average age of females is 44.8. When you compare this to median age of Iowa, Butler County is 5.6 years older.
The median income of individuals, in Butler County, is $26,327 while the average household income is $51,701. When comparing the median income of people living in Butler County to the rest of Iowa, the average income in Butler County is $1,294 less.