Health Insurance, State & Counties Only (Archives, 2010-2020)

Summary: Health insurance in US, states, counties by demographic, other characteristics

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This database contains health insurance coverage for the U.S., states, and roughly 900 counties.  (Areas with less than 65,000 population are excluded.) Coverage and non-coverage is broken down by age, gender, race/ethnicity, households, nativity/citizenship, disability, educational attainment, employment, work experience, household income, and poverty status.  Data are collected through the Census Bureau’s American Community Survey 1-Year Estimates.  Additional information on that survey is available from the U.S. Bureau of the Census


2020 data provided by the Census Bureau is extremely limited.  Data rely on ACS 1-year experimental tables, which use an experimental estimation methodology and should not be compared with other ACS data. The Census Bureau urges data users to exercise caution when using the 2020 experimental data and to determine whether the data are suitable for their particular use. Refer to the page American Community Survey Experimental Data ( for more information about the experimental estimation methodology.


According to the Census Bureau, values reported are based on a sample and are subject to sampling variability.  The degree of uncertainty is represented through the use of a Margin Of Error (MOE) of 90 percent.  This can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value.


Identified counties reflect July 2015 Office of Management and Budget (OMB) delineations of metropolitan and micropolitan statistical areas.  However, in certain instances the names and boundaries may differ from the OMB delineations due to changes over time. 


The Census Bureau establishes the poverty level based on a set of money income thresholds that vary by family size and composition to determine who is in poverty. If a family's total income is less than the family's threshold, then that family and every individual in it is considered in poverty. The official poverty thresholds do not vary geographically, but they are updated for inflation using the Consumer Price Index (CPI-U). The official poverty definition uses money income before taxes and does not include capital gains or noncash benefits (such as public housing, Medicaid, and food stamps).

Geographic Coverage: U.S., States, Counties

Periodicity: Annually

Series Begins/Ends: 2010 - 2020