From a total population of 35,809, Linn County has a median age of 37.1. The average age of males, in Linn County, is 36 while the average age of females is 38. When you compare this to median age of Iowa, Linn County is 0.9 years younger.
The median income of individuals, in Linn County, is $31,037 while the average household income is $62,532. When comparing the median income of people living in Linn County to the rest of Iowa, the average income in Linn County is $3,416 more.