When looking at all 95 counties in Tennessee, the median age varies quite a bit depending on the county. Cumberland County has the highest median age at 53.5 years, followed by Pickett County at 51.6 and Loudon County at 48.8. On the other end, Montgomery County has the lowest median age at 31.9 years, followed by Rutherford County at 34.2 and Davidson County at 34.6. Both Montgomery and Rutherford Counties are home to major universities, which may help explain why they have some of the younger populations in the state. The difference between Cumberland County and Montgomery County is 21.6 years, showing just how large the difference in median age can be between counties across Tennessee.
ResultsTable| County | Variable | Estimate | Margin of Error |
|---|---|---|---|
| Cumberland County, Tennessee | DP05_0018 | 53.5 | 0.4 |
| Pickett County, Tennessee | DP05_0018 | 51.6 | 0.7 |
| Loudon County, Tennessee | DP05_0018 | 48.8 | 0.4 |
| Clay County, Tennessee | DP05_0018 | 48.5 | 1.3 |
| Benton County, Tennessee | DP05_0018 | 47.8 | 0.7 |
| Fayette County, Tennessee | DP05_0018 | 47.4 | 0.3 |
| Grainger County, Tennessee | DP05_0018 | 47.4 | 0.7 |
| Roane County, Tennessee | DP05_0018 | 47.3 | 0.3 |
| Van Buren County, Tennessee | DP05_0018 | 47.2 | 0.5 |
| Fentress County, Tennessee | DP05_0018 | 46.9 | 0.4 |
| Jackson County, Tennessee | DP05_0018 | 46.9 | 1.2 |
| Polk County, Tennessee | DP05_0018 | 46.9 | 0.6 |
| Unicoi County, Tennessee | DP05_0018 | 46.9 | 1.0 |
| Johnson County, Tennessee | DP05_0018 | 46.7 | 0.7 |
| Moore County, Tennessee | DP05_0018 | 46.2 | 0.4 |
| Hawkins County, Tennessee | DP05_0018 | 46.0 | 0.4 |
| Carter County, Tennessee | DP05_0018 | 45.9 | 0.3 |
| Decatur County, Tennessee | DP05_0018 | 45.8 | 0.3 |
| Henry County, Tennessee | DP05_0018 | 45.8 | 0.6 |
| Bledsoe County, Tennessee | DP05_0018 | 45.5 | 0.7 |
| Meigs County, Tennessee | DP05_0018 | 45.4 | 0.6 |
| Cocke County, Tennessee | DP05_0018 | 45.3 | 0.2 |
| Monroe County, Tennessee | DP05_0018 | 45.2 | 0.3 |
| Hardin County, Tennessee | DP05_0018 | 45.1 | 0.5 |
| Sullivan County, Tennessee | DP05_0018 | 45.0 | 0.2 |
| Sequatchie County, Tennessee | DP05_0018 | 44.9 | 0.6 |
| Greene County, Tennessee | DP05_0018 | 44.7 | 0.2 |
| Wayne County, Tennessee | DP05_0018 | 44.4 | 0.7 |
| Jefferson County, Tennessee | DP05_0018 | 44.3 | 0.5 |
| Stewart County, Tennessee | DP05_0018 | 44.3 | 0.8 |
| Campbell County, Tennessee | DP05_0018 | 44.2 | 0.4 |
| Marion County, Tennessee | DP05_0018 | 43.8 | 0.4 |
| Blount County, Tennessee | DP05_0018 | 43.7 | 0.3 |
| Overton County, Tennessee | DP05_0018 | 43.7 | 0.5 |
| Giles County, Tennessee | DP05_0018 | 43.5 | 0.3 |
| Sevier County, Tennessee | DP05_0018 | 43.5 | 0.6 |
| White County, Tennessee | DP05_0018 | 43.5 | 0.6 |
| Humphreys County, Tennessee | DP05_0018 | 43.3 | 0.8 |
| Perry County, Tennessee | DP05_0018 | 43.3 | 1.6 |
| Haywood County, Tennessee | DP05_0018 | 43.2 | 0.5 |
| Hancock County, Tennessee | DP05_0018 | 43.1 | 1.1 |
| Houston County, Tennessee | DP05_0018 | 43.0 | 1.0 |
| Lincoln County, Tennessee | DP05_0018 | 42.9 | 0.6 |
| McNairy County, Tennessee | DP05_0018 | 42.9 | 0.6 |
| Lake County, Tennessee | DP05_0018 | 42.8 | 1.8 |
| Grundy County, Tennessee | DP05_0018 | 42.7 | 0.4 |
| Union County, Tennessee | DP05_0018 | 42.7 | 0.7 |
| Claiborne County, Tennessee | DP05_0018 | 42.5 | 0.9 |
| McMinn County, Tennessee | DP05_0018 | 42.4 | 0.3 |
| Hickman County, Tennessee | DP05_0018 | 42.3 | 0.7 |
| Morgan County, Tennessee | DP05_0018 | 42.3 | 0.8 |
| Franklin County, Tennessee | DP05_0018 | 42.2 | 0.8 |
| Rhea County, Tennessee | DP05_0018 | 42.0 | 0.9 |
| DeKalb County, Tennessee | DP05_0018 | 41.9 | 1.1 |
| Lewis County, Tennessee | DP05_0018 | 41.9 | 1.7 |
| Obion County, Tennessee | DP05_0018 | 41.8 | 0.4 |
| Anderson County, Tennessee | DP05_0018 | 41.5 | 0.4 |
| Cheatham County, Tennessee | DP05_0018 | 41.5 | 0.5 |
| Carroll County, Tennessee | DP05_0018 | 41.3 | 0.9 |
| Scott County, Tennessee | DP05_0018 | 40.7 | 0.9 |
| Smith County, Tennessee | DP05_0018 | 40.6 | 0.4 |
| Henderson County, Tennessee | DP05_0018 | 40.4 | 0.9 |
| Williamson County, Tennessee | DP05_0018 | 40.4 | 0.3 |
| Dyer County, Tennessee | DP05_0018 | 40.2 | 0.6 |
| Washington County, Tennessee | DP05_0018 | 40.2 | 0.5 |
| Hamblen County, Tennessee | DP05_0018 | 40.1 | 0.5 |
| Hardeman County, Tennessee | DP05_0018 | 40.1 | 0.8 |
| Cannon County, Tennessee | DP05_0018 | 40.0 | 1.1 |
| Sumner County, Tennessee | DP05_0018 | 39.8 | 0.4 |
| Warren County, Tennessee | DP05_0018 | 39.8 | 0.7 |
| Wilson County, Tennessee | DP05_0018 | 39.8 | 0.4 |
| Crockett County, Tennessee | DP05_0018 | 39.7 | 1.9 |
| Gibson County, Tennessee | DP05_0018 | 39.6 | 0.4 |
| Bradley County, Tennessee | DP05_0018 | 39.5 | 0.5 |
| Hamilton County, Tennessee | DP05_0018 | 39.5 | 0.3 |
| Marshall County, Tennessee | DP05_0018 | 39.5 | 0.6 |
| Lawrence County, Tennessee | DP05_0018 | 39.3 | 0.5 |
| Lauderdale County, Tennessee | DP05_0018 | 39.2 | 0.8 |
| Macon County, Tennessee | DP05_0018 | 39.2 | 0.6 |
| Dickson County, Tennessee | DP05_0018 | 39.1 | 0.6 |
| Maury County, Tennessee | DP05_0018 | 39.1 | 0.5 |
| Coffee County, Tennessee | DP05_0018 | 39.0 | 0.6 |
| Tipton County, Tennessee | DP05_0018 | 39.0 | 0.7 |
| Robertson County, Tennessee | DP05_0018 | 38.7 | 0.6 |
| Madison County, Tennessee | DP05_0018 | 38.3 | 0.5 |
| Bedford County, Tennessee | DP05_0018 | 37.6 | 0.7 |
| Chester County, Tennessee | DP05_0018 | 37.6 | 0.9 |
| Knox County, Tennessee | DP05_0018 | 37.4 | 0.2 |
| Weakley County, Tennessee | DP05_0018 | 37.3 | 0.8 |
| Putnam County, Tennessee | DP05_0018 | 36.0 | 0.4 |
| Shelby County, Tennessee | DP05_0018 | 35.9 | 0.1 |
| Trousdale County, Tennessee | DP05_0018 | 35.0 | 1.0 |
| Davidson County, Tennessee | DP05_0018 | 34.6 | 0.1 |
| Rutherford County, Tennessee | DP05_0018 | 34.2 | 0.1 |
| Montgomery County, Tennessee | DP05_0018 | 31.9 | 0.2 |