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Update on ACS Data Release Activities. Training for Regional Informational Specialists Anna M. Owens May 2010. Overview. ACS Data Release Details 2009 ACS 1-year 2007-2009 ACS 3-year 2005-2009 ACS 5-year Data Dissemination Plans Data Release Supporting Materials.
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Update on ACS Data Release Activities Training for Regional Informational Specialists Anna M. Owens May 2010
Overview • ACS Data Release Details • 2009 ACS 1-year • 2007-2009 ACS 3-year • 2005-2009 ACS 5-year • Data Dissemination Plans • Data Release Supporting Materials
2009 ACS 1-Year Data Release • New or Modified Data • New or Modified Products • Other Changes • Population controls
Modified Data • Health Insurance Data • New edit expected to increase the coverage rate
New or Modified Tables • Health Insurance • 17 new detailed tables • 4 new subject tables • Added to comparison and data profiles • Disability • 3 new detailed tables • Undergraduate Field of Degree • 3 new detailed tables
Population Controls 2009 ACS 1-year • 2009 ACS 1-year Population controls • Based on July 1, 2009 POP estimates • Vintage 2009 • Census 2000 base • Controls will be applied at the subcounty level • Subcounty level - Total population only • County level - Total population and characteristics
Population Controls 2007-2009 ACS 3-year • 2007-2009 ACS 3-year Population controls • Average of July 1, 2007-2009 POP estimates • Vintage 2009 • Census 2000 base • Controls will be applied at the subcounty level • Subcounty level - Total population only • County level - Total population and characteristics
Population Controls 2005-2009 ACS 5-year • 2005-2009 ACS 3-year Population controls • Average of July 1, 2005-2009 POP estimates • Vintage 2009 • Census 2000 base • Controls will be applied at the subcounty level • Subcounty level - Total population only • County level - Total population and characteristics
ACS 5-year Estimates • Program Goal • Release the first ACS 5-year estimates in 2010 • Scope of Products • 5-year data products will a subset of ACS products and similar to Census 2000 products
ACS 5-year EstimatesRelease Restrictions • Unlike the 1- and 3-year estimates • No population thresholds • No table restrictions based on reliability
ACS 5-year EstimatesSummary Levels • The 2005-2009 ACS 5-year estimates will be based on boundaries as of January 1, 2009 • Most, but not all, of the geographic summary levels in Census 2000 SF3 will be included in the first ACS 5-year release
Detailed tables ‘B’ or a ‘C’ Summary files Data profiles Narrative profiles Subject tables Geographic comparison tables Thematic maps PUMS files ACS 5-year EstimatesData Products
ACS 5-year EstimatesNumber of Summary Levels by Data Product
ACS 5-year EstimatesData Dissemination Plan • Release 5-year estimates annually • Disseminate 5-year ACS data products through the American FactFinder • Release census block group data only in a summary file format • Accessible from the American FactFinder download center
ACS 5-year EstimatesFuture products • We currently are proposing that 5-year PUMS files be produced this year and next year but not necessarily produced every year • We plan to release the ACS SF4 and the ACS AIAN SF in early 2012 based on the 2006-2010 ACS 5-year estimates • New American FactFinder and educational products
Feedback on Products After the release of the 5-year estimates, the Census Bureau will evaluate data products for future releases. • Would like feedback from users: • Too much? • Too little? • Not the right types of estimates? • More effective release strategies?
Planned Data Release Updates to Current Materials • Comparison Guidance • Explanation of differences between 2010 Census and ACS • Explanation of how to use multiyear estimates
Planned Data Release New Materials • New redesigned ACS website • E-tutorial – Addition to Compass Series • Tutorial on how to access block group data on the ACS Summary File • Crosswalk from ACS tables to Census 2000
Using Multiyear EstimatesReliability vs Currency Choosing between 1-year, 3-year and 5-year
Feedback/Questions Contact: Data Analysis and User Support Branch at: 301.763.6164 acso.users.support@census.gov anna.m.owens@census.gov