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Gini Index of Income Inequality The Gini Index is a measure of income inequality ranging from 0 to 1. A value of 0 represents perfect income equality (everyone has the same income); a value of 1 represents complete inequality (one person has all the income and others have none). Warehouse data is updated twice a year and is as up to date as the data source when published. Bolded values indicate margins of error, hover over them to view in detail.
Year	By	United States	State of Missouri	Boone County	City of Columbia	Columbia Schools
2018 - 2022
2018 - 2022	Total	0.48	0.47	0.48	0.49	0.49
2017 - 2021
2017 - 2021	Total	0.48	0.46	0.47	0.49	0.48
2016 - 2020
2016 - 2020	Total	0.48	0.46	0.47	0.49	0.48
2015 - 2019
2015 - 2019	Total	0.480	0.460	0.460	0.490	0.480
2014 - 2018
2014 - 2018	Total	0.48	0.46	0.47	0.50	0.48
2013 - 2017
2013 - 2017	Total	0.482	0.463	0.476	0.509	0.491
2012 - 2016
2012 - 2016	Total	0.480	0.460	0.480	0.520	0.500
2011 - 2015
2011 - 2015	Total	0.480	0.460	0.480	0.510	0.500
2010 - 2014
2010 - 2014	Total	0.48	0.46	0.49	0.51	0.51
2009 - 2013
2009 - 2013	Total	0.47	0.46	0.48	0.51	0.50
2006 - 2010
2006 - 2010	Total		0.450	0.470	0.490	0.480
Suggested citation: United States Census Bureau. American Community Survey, GINI Index of Income Inequality. United States Census [Table B19083]. Cited in the Boone Indicators Dashboard as GINI Index of Income Inequality.http://booneindicators.org/IndicatorView.aspx?id=4806
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