From a total population of 351,454, Washtenaw County has a median age of 33.3. The average age of males, in Washtenaw County, is 32.3 while the average age of females is 34.5. When you compare this to median age of Michigan, Washtenaw County is 6.0 years younger.
The median income of individuals, in Washtenaw County, is $34,258 while the average household income is $60,805. When comparing the median income of people living in Washtenaw County to the rest of Michigan, the average income in Washtenaw County is $8,115 more.