Age Distribution Percentage – 2010
| Under 5 | 5-14 | 15-24 | 25-44 | 45-59 | 60 & Up | |
|---|---|---|---|---|---|---|
| Carter | 5.3 | 11.3 | 13.0 | 24.2 | 22.2 | 24.0 |
| Greene | 5.3 | 11.9 | 12.0 | 24.0 | 22.1 | 24.6 |
| Hancock | 5.6 | 11.8 | 11.5 | 23.8 | 23.0 | 24.3 |
| Hawkins | 5.6 | 12.8 | 11.0 | 24.8 | 22.3 | 23.5 |
| Johnson | 4.9 | 10.2 | 11.2 | 26.4 | 22.2 | 25.1 |
| Sullivan | 5.2 | 11.6 | 11.3 | 23.8 | 22.6 | 25.5 |
| Unicoi | 5.1 | 11.8 | 10.1 | 23.1 | 22.9 | 27.0 |
| Washington | 5.4 | 11.3 | 15.0 | 25.8 | 20.9 | 21.5 |
| FTDD | 5.3 | 11.6 | 12.4 | 24.5 | 22.1 | 24.0 |
| Tri-Cities CSA * | 5.3 | 11.5 | 12.4 | 24.5 | 22.1 | 24.2 |
| TN | 6.4 | 13.1 | 13.6 | 26.4 | 21.1 | 19.3 |
| US | 6.5 | 13.3 | 14.1 | 26.6 | 20.9 | 18.5 |
* The Johnson City-Kingsport-Bristol TN/VA (Tri-Cities) Consolidated Statistical Area (CSA) consists of Carter, Hawkins, Sullivan, Unicoi, and Washington Counties in Tennessee, as well as Scott and Washington Counties and the independent City of Bristol in Virginia
Source: U.S. Census Bureau. 2010 Census of the Population