1. Plans For the First Release of American Community Survey 5-year Estimates Prepared for the Joint Meetings of the SDC and CIC Steering Committees February 2010

2. ACS 5-year Estimates Release Restrictions For most ACS 5-year data products there are no population thresholds There are some disclosure-related release restrictions, most of which apply only to block group data

3. ACS 5-year Estimates Release Restrictions We will not filter the 5-year estimates based on the reliability of the estimates We will continue to provide margins of error with all ACS estimates and user education to aid users in using less reliable estimates wisely

4. Which data products, summary levels, and tables will be included in the first ACS 5-year release?

5. ACS Microdata Detailed Tables (released as tables in AFF and in summary file format from the AFF download center) Data & narrative profiles, subject tables, geographic comparison tables & thematic maps Derived Products

6. ACS 5-year Estimates Data Products Included Detailed tables Summary files Data profiles Narrative profiles Subject tables Geographic comparison tables Thematic maps Public Use Microdata Sample (PUMS) files

7. ACS 5-year Estimates Data Products Excluded Comparison profiles State ranking tables Selected population profiles

8. ACS 5-year Estimates Summary Levels Most, but not all, of the summary levels in Census 2000 Summary File 3 will be included in the first ACS 5-year release This includes geographic components and geographic intersections

9. ACS 5-year Estimates Summary Levels Residence-based tabulations The same summary levels that were included in the 3-year estimates (such as congressional districts, counties, places, school districts) plus new summary levels (such as tracts, block groups) Workplace and migration tabulations The same summary levels that were included in the 3-year estimates

10. ACS 5-year Estimates Examples of 5-year Summary Levels Residence-based tabulations Estimated number of areas 1-year3-year5-year Metropolitan Statistical Areas953 Counties7851,0303,221 Tracts0066,325 Total summary levels (excluding block groups) 458,446 Block groups00208,811 All summary levels6,50013,500667,000

11. ACS 5-year Estimates Data Product Limitations by Summary Level For proposed summary levels, we will always produce detailed tables We will only produce derived products such as data and narrative profiles, subject tables and geographic comparison tables for a subset of the full set of summary levels

12. ACS 5-year Estimates Number of Summary Levels by Data Product Estimated number of summary levels Detailed tables680K Data profiles180K Subject tables170K Geographic comparison tables, thematic maps 90K

13. ACS 5-year Estimates Set of Proposed Tables We will produce the ACS tables that are most comparable to those released in Census 2000 Summary File 3 We will also produce some tables that were not included in Census 2000 – new tables that were designed after Census 2000

14. ACS 5-year Estimates Set of Proposed Tables Most proposed summary levels will receive a full set of 5-year tables regardless of size or type – exception is block groups Some tables have geographic restrictions similar to those in place for Census 2000 Summary File 3

15. ACS 5-year Estimates Number of tables and estimates proposed for release (excluding block groups) Estimated number of … Summary Levels TablesEstimates Detailed tables460K80018K Data profiles180K4500 Subject tables170K6014K Geographic comparison tables, thematic maps 90K90

16. ACS 5-year Estimates Number of tables and estimates proposed for release (block groups only) Estimated number of … Summary Levels TablesEstimates Detailed tables209K3309K Data profiles000 Subject tables000 Geographic comparison tables, thematic maps 000

17. ACS 5-year Estimates Data Dissemination Plan We will disseminate all ACS data products through the American FactFinder We plan to release census block group data only in a summary file format, accessible from the American FactFinder download center

18. ACS 5-year Estimates Summary of Data Products Estimated number of … GeographiesEstimates Detailed tables680K9,897,000,000 Data profiles180K86,000,000 Subject tables170K2,217,000,000 Geographic comparison tables 90K7,000,000 Total12,208,000,000

19. ACS 5-year Estimates Periodicity of Release We plan to release ACS 5-year tabulated data products every year We currently are proposing that 5-year PUMS files be produced this year and next year but not necessarily produced every year

20. Your questions?