From a total population of 166,636, Sumner County has a median age of 39.2. The average age of males, in Sumner County, is 37.9 while the average age of females is 40.3. When you compare this to median age of Tennessee, Sumner County is 0.9 years older.
The median income of individuals, in Sumner County, is $28,393 while the average household income is $56,193. When comparing the median income of people living in Sumner County to the rest of Tennessee, the average income in Sumner County is $3,582 more.