From a total population of 72,124, Dallas County has a median age of 34.6. The average age of males, in Dallas County, is 34.1 while the average age of females is 34.9. When you compare this to median age of Iowa, Dallas County is 3.4 years younger.
The median income of individuals, in Dallas County, is $36,677 while the average household income is $74,876. When comparing the median income of people living in Dallas County to the rest of Iowa, the average income in Dallas County is $9,056 more.