From a total population of 4,981, Clarke County has a median age of 35.5. The average age of males, in Clarke County, is 30.9 while the average age of females is 42.8. When you compare this to median age of Iowa, Clarke County is 2.5 years younger.
The median income of individuals, in Clarke County, is $22,454 while the average household income is $38,885. When comparing the median income of people living in Clarke County to the rest of Iowa, the average income in Clarke County is $5,167 less.