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Documentation:
ACS 2012 (1-Year Estimates)
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Publisher:
U.S. Census Bureau
Survey:
ACS 2012 (1-Year Estimates)
Documentation
ACS 2012 (1-Year Estimates)
ACS 2012-1yr 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. 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
4. User References
4.1. Detailed Tables for the 2012 ACS 1-Year Estimates
4.2. 2012 ACS 1-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
Group Quarters Classifications
Hispanic Origin Code List
Industry Code List
Language Code List
Occupation Code List
Place of Birth, Migration, & Place of Work Code List
Race Code List
2012 Subject Definitions
General Information
Living Quarters
Housing Variables
Population Variables
Derived Measures
Quality Measures
Group Quarters Definitions
Instructions for Applying Statistical Testing to ACS 1-Year Data
Obtaining Standard Errors
Obtaining Standard Errors for Derived Estimates
Appendix A
American Community Survey/Puerto Rico Community Survey
American Community Survey Accuracy of the Data (2012)
Puerto Rico Community Survey Accuracy of the Data (2012)
Appendix B: Graphical Representation of ACS Summary File Organization
B.1. 2012 ACSSF All In 1 Giant File (Experienced-Users-Only)
B.2. 2012 ACSSF By State All Tables
B.3. 2012 ACSSF By State By Sequence Table Subset
Appendix C: User Notes
C.1 Population Thresholds
C.2 Geography Restrictions
C.3 Jam Values
Jam Values for Medians
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
Tables That Are Contained in More Than One Sequence File
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 2012 ACS 1-Year Estimates
Appendix F: ACS 1-Year Summary Levels/Components for Detailed Tables
Document History
Social Explorer; U.S. Census Bureau; American Community Survey 2012 Summary File: Technical Documentation.
