Social Explorer application is not quite ready for this screen size.
Please head to your nearest desktop or tablet device.
Visit Homepage
What's new?
close
Data Dictionary
Skip to Sidebar navigation menu
Skip to Page content
Basic plan
Create Account
Login
Data Dictionary:
ACS 2011 (3-Year Estimates)
you are here:
choose a survey
survey details
Survey:
ACS 2011 (3-Year Estimates)
Data Source:
U.S. Census Bureau
Survey Details
ACS 2011 (3-Year Estimates)
Datasets
Social Explorer Tables: ACS 2011 (3-Year Estimates)
American Community Survey Tables: 2009 -- 2011 (3-Year Estimates)
Documentation
ACS 2011-3yr Summary File: Technical Documentation
Chapter 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
Chapter 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
Chapter 3. User Tools
3.1. Summary File Excel Retrieval Tool
3.2. Summary File SAS Tool
3.3. Summary File Excel Import Tool
Chapter 4. User References
4.1. Detailed Tables for the 2009-2011 ACS 3-Year Estimates
4.2. 2009-2011 ACS 3-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
Appendix A. Supplemental Documentation
Code List
Subject Definitions
Group Quarters Definitions
Instructions for Applying Statistical Testing to the 2009-2011 ACS 3-Year Data and the 2007-2011 ACS 5-Year Data
American Community Survey/Puerto Rico Community Survey (2009-2011 ACS 3-year and 2007-2011 ACS 5-year)
Appendix B. Graphical Representation of ACS Summary File Organization
B.1. 2009-2011 ACSSF All In 1 Giant File (Experienced-Users-Only)
B.2. 2009-2011 ACSSF By State All Tables
B.3. 2009-2011 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
Appendix D. Examples
D.1. Creating a Table
D.2. Creating a Table Using SAS
Appendix E. Detailed Tables for the 2011 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 2009-2011 Summary File: Technical Documentation.
