The Tennessee counties with the highest median household income in 2011 are concentrated around Nashville in Middle Tennessee.
1. Williamson County, $86,962
2. Wilson County, $59,987
3. Sumner County, $52,115
4. Robertson County, $47,785
5. Montgomery County, $47,154
Hamilton County's median household income was $41,769, while Bradley County's median household income was $37,149. Annual data for such income figures is available only for the 20 biggest counties in Tennessee.
Source: U.S. Bureau of the Census