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Demographic data refer to the Decennial Census and other surveys of individuals and households administered by the Census Bureau. Compared to their public use counterparts, the internal data files include more detailed geographic information, generally to the block level for the Decennial Census and census-tract level for surveys, as well as less restrictive top-coding. The following table lists person and household based data, the frequency of data collection, the unit of enumeration, the years of data available at CES, and the sponsoring federal agency. Access to these data will only be granted to qualified researchers on approved projects with authorization to use specific data sets. All researcher access to restricted–use data occurs at one of the secure Federal Statistical Research Data Centers.

Some Census Bureau data collections are sponsored in whole or in part by other federal agencies. Sponsorship of data collections may also change over time. External research projects using these data may require permission of the sponsoring agency.

Restricted–Use Demographic Microdata

Data Set Frequency Unit of Enumeration Availability Sponsor
American Community Survey (ACS) Annually Housing Unit 1996-2019. Note: The American Community Survey was fully implemented in 2005. Data years prior to 2005 are for selected geographies in the United States and should be used with caution (and will require additional justification in the proposal). Census Bureau
American Community Survey / HUD Assisted Renters Linked Data Annually Housing Unit 2011-2018 Housing and Urban Development (HUD)
American Housing Survey (AHS) Annually Housing Unit 1984-1999, 2001-2005, 2007, 2009, 2011, 2013, 2015, 2017 Housing and Urban Development (HUD)
Current Population Survey (CPS) Annual Social and Economic (ASEC) Supplement (March) Annually Household 1967-2018 Census Bureau and Bureau of Labor Statistics (BLS)
Current Population Survey (CPS) Computer and Internet Use Supplement Irregular Household 2011, 2015 Census Bureau and
Bureau of Labor Statistics (BLS)
Current Population Survey (CPS) Fertility Supplement (June) Every Other Year Household 1998-2014 Census Bureau and Bureau of Labor Statistics (BLS)
Current Population Survey (CPS) Food Security Supplement (December) Annually Household 1997-2015 Census Bureau and
U.S. Department of Agriculture (USDA)
Current Population Survey (CPS) School Enrollment Supplement Annually Household 2004-2015 Census Bureau,
National Center for Education Statistics (NCES),
and Bureau of Labor Statistics (BLS)
Current Population Survey (CPS) Tobacco Use Supplement Irregular Household 1998-1999, 2000, 2001-2002, 2003, 2006-2007, 2010-2011, 2014-2015 Census Bureau and
National Cancer Institute (NCI)
Current Population Survey (CPS) Unbanked and Underbanked Supplement (January & June) Every Other Year Household 2009, 2011, 2013 Census Bureau and
Federal Deposit Insurance Corporation (FDIC)
Current Population Survey (CPS) Volunteer Supplement (September) Annually Household 2002-2015 Census Bureau and
Bureau of Labor Statistics
Current Population Survey (CPS) Voting and Registration Supplement (November) Every Other Year Household 1998-2014 Census Bureau
Decennial Census Every Ten Years Household 1950, 1960, 1970, 1980, 1990, 2000, 2010 Census Bureau
Harmonized Decennial Census: IPUMS-format census data Every Ten Years Household 1970, 1980, 1990, 2000 Census Bureau and
IPUMS
Manufactured Housing Survey Monthly Housing Unit May be available upon request Housing and Urban Development (HUD)
Mortality Disparities in American Communities (MDAC) Irregular Individual 2008-2015 Census Bureau, Food and Drug Administration, National Center for Health Statistics, and the National Institutes of Healtha
National Crime Victimization Survey (NCVS) Annually Household 2005-2017 Bureau of Justice Statistics (BJS)
National Crime Victimization Survey (NCVS) Identity Theft Supplement Every Two Years Household 2012, 2014, 2016, 2018 Bureau of Justice Statistics (BJS)
National Crime Victimization Survey (NCVS) School Crime Supplement Every Two Years Household 2009, 2011, 2013, 2015, 2017 Bureau of Justice Statistics (BJS),
and National Center for Education Statistics (NCES)
National Crime Victimization Survey (NCVS) Police Public Contact Survey Every Three Years Household 2011, 2015 Bureau of Justice Statistics (BJS)
National Crime Victimization Survey (NCVS) Supplemental Victimization Survey Variable Household 2016 Bureau of Justice Statistics (BJS)
National Immunization Survey Evaluation Study (NISES) One-time Florida Households and Immunization Providers 2009-2010 National Center for Immunization and Respiratory Diseases (NCIRD)
National Longitudinal Mortality Study (NLMS) Variable Individual Through 2011* Census Bureau,
National Cancer Institute (NCI),
National Center for Health Statistics (NCHS),
National Heart, Lung, and Blood Institute (NHLBI),
and National Institute on Aging (NIA)
National Longitudinal Survey (NLS) Variable Individual 1966-2003 Bureau of Labor Statistics (BLS)
National Survey of College Graduates (NSCG) Every Two Years Individual 1993, 2010, 2013, 2015, 2017 National Science Foundation (NSF)
National Survey of Children's Health (NSCH) Annually Household 2016-2018 U.S. Department of Health and Human Services (HHS), Health Resources and Services Administration (HRSA), Maternal and Child Health Bureau (MCHB)
National Sample Survey of Registered Nurses (NSSRN) Every Four Years Individual 2018 Health Resources and Services Administration (HRSA)
Rental Housing Finance Survey (RHFS) Biennially Rental properties 2012, 2015, 2018 Census Bureau and Department of Housing and Urban Development (HUD)
Survey of Construction Annually Housing Unit May be available upon request Census Bureau and Housing and Urban Development (HUD)
Survey of Income and Program Participation (SIPP) Panels Monthly Household 1984-1993, 1996, 2001, 2004, 2008, 2014 Census Bureau

* The National Longitudinal Mortality Study (NLMS) is a unique research database based on a random sample of the non-institutionalized population of the United States. It consists of U.S. Census Bureau data from Current Population Surveys, Annual Social and Economic Supplements and a subset of the 1980 Census combined with death certificate information to identify mortality status and cause of death. The cohorts begin at various dates from 1973 through 1998 matched to death records dating through 1998.

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