Table 1.

Distribution of all households in DC and in the sample by percent Blacks and median household income from 2006 Census

Percent Blacks in CBG	Median Household Income for Census Block Group (CBG)
	Less than $30,000		$30,000– $39,999		$40,000– $49,999		More than $49,999		Total
	DC	Sample	DC	Sample	DC	Sample	DC	Sample	DC	Sample
> 95%	15.2%	18.0%	6.9%	8.1%	1.2%	1.4%	1.2%	8.7%	24.5%	36.2%
70 – 94%	8.8%	5.2%	7.7%	4.5%	4.4%	2.6%	3.9%	2.3%	24.8%	14.6%
10 – 69%	4.5%	2.6%	6.3%	3.7%	3.8%	2.3%	8.8%	5.2%	23.4%	13.8%
< 10%	0.5%	3.7%	1.6%	1.9%	3.8%	4.5%	21.4%	25.3%	27.3%	35.4%
Total	29.0%	29.5%	22.5%	18.2%	13.2%	10.8%	35.3%	41.5%	100.0%	100.0%