Median Age Continues to Rise in Sullivan County, TN
The median age of the population in Sullivan County and its major cities has been rising. This is a function of young adults leaving the area and the low birth rate.
| Tennessee | Sullivan County | |
| 2008 U.S. Census Estimate | 37.2 | 42.9 |
| 2000 Census | 3 | 40 |
| 1990 Census | 34 | 37 |
Below in the table are median ages for the nine largest Tennessee Counties, Tennessee and Florida.
Data in the graph from U.S.Census