The bureau defines high income as being in the top 5 percent of national income distribution, which is a household income of at least $191,469 per year.
According to the report, only 1.1 percent of households in the area that includes Pittsylvania County and the city of Danville were considered high income.
Conversely, the area that includes Bridgeport, Stamford and Norwalk, Conn., had the highest percentage of high-income households at 17.9 percent.
The report says coastal areas had large proportions of counties with high concentrations of high-income households. The area comprised of Alabama, Kentucky, Mississippi and Tennessee, tended to have low concentrations of such households.