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Data Dictionary:
ACS 2012 (5-Year Estimates)
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Survey:
ACS 2012 (5-Year Estimates)
Data Source:
U.S. Census Bureau
Survey Details
ACS 2012 (5-Year Estimates)
Datasets
Social Explorer Tables: ACS 2012 (5-Year Estimates)
American Community Survey Tables: 2008 -- 2012 (5-Year Estimates)
Documentation
ACS 2012-5yr Summary File: Technical Documentation
1. Introduction
1.1. The American Community Survey
1.2. The American Community Survey Summary File
1.3. Topics and Geographies Covered
1.4. Tools for Obtaining Data
1.5. Notable Changes to the Summary File
1.6. Contact Us
2. How to Use the ACS Summary File
2.1. Locating the Summary File
2.2. Summary File Organization
2.3. Sequence Numbers
2.4. Geography File
2.5. Estimate and Margin of Error Files
2.6. How to Join the ACS Summary File to the TIGER/Line Shapefiles
3. User Tools
3.1. Summary File Excel Retrieval Tool
3.2. Summary File SAS Tool
3.3. Summary File Excel Import Tool
3.4. DataFerrett Analytical Tool
4. User References
4.1. Detailed Tables for the 2008-2012 ACS 5-year Estimates
4.2. 2008-2012 ACS 5-year Summary Levels/Components For Detailed Tables
4.3. Sequence Number and Table Number Lookup
4.4. Table Shells List
4.5. Excel Geography File
4.7. Table Name Changes - ACS 5yr
4.8. Table Name Changes - ACS 1yr
Appendix A: Supplemental Documentation
Code List
2008-2012 Subject Definitions
Group Quarters Definitions
Instructions for Applying Statistical Testing to the 2010-2012 ACS 3-Year Data and the 2008-2012 ACS 5-Year Data
American Community Survey/Puerto Rico Community Survey
Appendix B: Graphical Representation of ACS Summary File Organization
B.1. 2008-2012 ACSSF All In 1 Giant File (Experienced-Users-Only)
B.2. 2008-2012 ACSSF By State All Tables
B.3. 2008-2012 ACSSF By State By Sequence Table Subset
Appendix C: User Notes
C.1 Population Thresholds
C.2 Geography Restrictions
C.3 Jam Values
C.4 Rounding Rules and Margins of Error
C.5 Data Release Filtering Rules
C.6 Display of Estimates
C.7 Multiple Sequences For a Table
C.8 Explanation of Missing Estimates
Appendix D: Examples
D.1 Creating a Table
D.2 Creating a Table Using SAS
Appendix E: Detailed Tables for the 2010-2012 ACS 3-year Estimates
Appendix F: ACS 3-year Summary Levels/Components for Detailed Tables
Document History
Social Explorer; U.S. Census Bureau; American Community Survey 2008-2012 Summary File: Technical Documentation.
