Data Dictionary: ACS 2005 -- 2009 (5-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B19081. Mean Household Income Of Quintiles [6]
Universe: Universe: Households
Table Details
B19081. Mean Household Income Of Quintiles
Universe: Universe: Households
Variable Label
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2005-2009 Summary File: Technical Documentation.
Health insurance coverage was added to the 2008 ACS and so no equivalent measure is available from previous ACS surveys or Census 2000. Because of the addition of the eligibility edit to 2009 ACS health insurance, data users should be careful as to which 2008 ACS estimates they use to make comparisons. National, state, county and place-level 2008 1-year data incorporating the eligibility edit are available at; they are comparable to the 2009 estimates in American Fact Finder. For more information on the logical coverage (eligibility) edits, please see

Because coverage in the ACS references an individual's current status, caution should be taken when making comparisons to other surveys which may define coverage as "at any time in the last year" or "throughout the past year." A discussion of how the ACS health insurance estimates relate to other survey health insurance estimates can be found in "A Preliminary Evaluation of Health Insurance Coverage" in the 2008 American Community Survey (