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Report Number ACSBR/11-23
Charles Adam Bee
Component ID: #ti558987880

Two questions present themselves when considering the geographic concentration of high-income households. First, where do most high-income households live? Second, where are the highest concentrations of high-income households? This brief answers the first question by estimating the number of high-income households in each area. This brief answers the second question by presenting estimates of the proportions of households that are among the top 5 percent.

This brief is based on data from the American Community Survey pooled across survey years 2007 through 2011, referring to income received from January 2006 to November 2011.1 During this period, the top 5 percent of households received at least $191,469 per year.2

Figure 1 depicts the number of high-income households in each county, while Figure 2 maps the number of all households in each county. These figures illustrate that, like the general population, most high-income households lived in high-population counties, especially along the coasts.3

1 All income data are adjusted for inflation to 2011 dollars.
2 Source: 2007–2011 American Community Survey 5-Year Estimates, Base Table B19080: Household Income Quintile Upper Limits.
3 The correlation between the number of high-income households in each county and the number of other households was 0.88.

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