Montgomery County Household Income Distribution, 1999
Income	No. of Households	Percent Households	Cumulative Percent
< $10,000	12,040	3.7%	3.7%
$10,000-14,999	8,046	2.5%	6.2%
$15,000-19,999	8,004	2.5%	8.7%
$20,000-24,999	10,321	3.2%	11.9%
$25,000-29,999	10,992	3.4%	15.3%
$30,000-34,999	13,414	4.1%	19.4%
$35,000-39,999	13,692	4.2%	23.6%
$40,000-44,999	13,860	4.3%	27.9%
$45,000-49,999	13,696	4.2%	32.1%
$50,000-59,999	27,713	8.5%	40.6%
$60,000-74,999	38,242	11.8%	52.4%
$75,000-99,999	49,573	15.2%	67.6%
$100,000-124,999	34,098	10.5%	78.1%
$125,000-149,999	22,467	6.9%	85.0%
$150,000-199,999	24,199	7.4%	92.4%
$200,000 +	24,583	7.6%	100.0 %
Total	324,940	100%
Median Household Income	$71,551
Source: U.S. Bureau of the Census; Montgomery County Department of Park and Planning, Research and Technology Center.