From a total population of 24,193, Johnson County has a median age of 35.3. The average age of males, in Johnson County, is 34.3 while the average age of females is 36.4. When you compare this to median age of Indiana, Johnson County is 1.9 years younger.
The median income of individuals, in Johnson County, is $24,471 while the average household income is $51,397. When comparing the median income of people living in Johnson County to the rest of Indiana, the average income in Johnson County is $482 less.