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Data Dictionary: ACS 2009 (5-Year Estimates)
you are here: choose a survey survey data set table variable details
Data Source: Social Explorer; U.S. Census Bureau
Universe: Total population
Variable Details
C05003. Ancestry - Place of Origin (First Ancestry Reported)
Universe: Total population
C05003_002 First Ancestry Reported:
Percent base:
Total: (SE:C05003_001)
Aggregation method:
Addition
Formula used to compute this variable:
Return_Value = ACS09_5yr:B04001001 - ACS09_5yr:B04001109; if (ACS09_5yr:B04001001.IsNull || ACS09_5yr:B04001109.IsNull) Return_Value.IsNull = true
Variables used in the formula:
ACS09_5yr:B04001001
Total Population
ACS09_5yr:B04001109
Unclassified or Not Reported
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2005-2009 Summary File: Technical Documentation.
  ACS 2009-5yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> 2009 Subject Definitions -> Population Variables -> Ancestry -> Estimates Based on Responses -> First Ancestry Reported
First Ancestry Reported
Includes the first response of all people who reported at least one codeable entry. For example, in this type of table, the count for German would include all those who reported only German and those who reported German first and then some other group. The German line of this table could be interpreted as "The number of times German was listed as the first, or only, ancestry."