The Demographic Statistical Atlas of the United States

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Map of Household Income by Tract in ZIP Code 31314

Median household income ($):

$37,800		$42,400		$47,000		$51,500		$56,100		$60,800

20th percentile of household income ($):

$26,120		$26,600		$27,080		$27,560		$28,040		$28,520

Mean household income of the top 5% of households ($):

$94k		$121k		$148k		$174k		$201k		$228k

Gini Index of income inequality (larger Gini Index means more inequality) (%):

26.1%		29.8%		33.5%		37.3%		41.0%		44.7%

Household Income: total income from all people in the household
Median: in terms of income, it is the income for which 50% of households have a lower income, and 50% have a higher income
Percentile: for example, the 80th percentile of household income is the income for which 80% of household have a lower income and 20% have a higher income
Quintile: a quintile is 20% of a population, grouped by percentile; for example, the 2nd quintile is all members of a population between the 20th and 40th percentiles
Gini Index: a statistical measure of how unevenly income is distributed in a population (ranging from 0% to 100%, the higher the number, the greater the inequality)

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