"The following tables present estimates of the citizen, 18 and older population for all states and congressional districts. Selected characteristics include age, sex, race, Hispanic Origin, educational attainment, poverty status, and household income. The data used in these tables come from the 2015 American Community Survey (ACS). For general background on the ACS, please visit http://www.census.gov/programs-surveys/acs/. For information on the statistical accuracy of the ACS, please visit http://www.census.gov/programs-surveys/acs/technical- documentation/code-lists.html..."