From a total population of 68,510, Jefferson County has a median age of 44.3. The average age of males, in Jefferson County, is 42.9 while the average age of females is 45.6. When you compare this to median age of Ohio, Jefferson County is 5.2 years older.
The median income of individuals, in Jefferson County, is $22,591 while the average household income is $40,816. When comparing the median income of people living in Jefferson County to the rest of Ohio, the average income in Jefferson County is $3,929 less.