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Data Dictionary: ACS 2009 (3-Year Estimates)
you are here: choose a survey survey data set table variable details
Data Source: Social Explorer; U.S. Census Bureau
Universe: Total ancestry categories tallied for people with one or More ancestry categories reported
Variable Details
T135. Ancestry - Place of Origin (Total Categories Tallied) for People with One or More Ancestry Categories Reported
Universe: Total ancestry categories tallied for people with one or More ancestry categories reported
T135_062 Portuguese
Percent base:
Total Specified Ancestries Tallied: (SE:T135_001)
Aggregation method:
Addition
Formula used to compute this variable:
Return_Value = ACS09_3yr:B04003062; if (ACS09_3yr:B04003062.IsNull) Return_Value.IsNull = true
Variables used in the formula:
ACS09_3yr:B04003062
Total Ancestry Categories Tallied for People with One or More Ancestry Categories Reported: Portuguese
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2009 Summary File: Technical Documentation.
  ACS 2009-3yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> 2009 Subject Definitions -> Population Variables -> Ancestry -> Estimates Based on Responses -> Total Ancestries Reported
Total Ancestries Reported
Includes the total number of ancestries reported and coded. If a person reported a multiple ancestry such as "German Danish," that response was counted twice in the tabulations--once in the German category and again in the Danish category. Also, if a person reported two different types of German ancestry, such as "Bavarian Hamburger," they would be counted twice in the German category on this type of table. Thus, each line of this table represents the number of reports for that ancestry type, not the number of people (although sometimes that number is the same). Likewise, the sum of the estimates in each of the rows in this type of presentation is not the total population but the total of all responses. The German line in this table is interpreted as "The number of times a German ancestry was reported."

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2009 Summary File: Technical Documentation.
  ACS 2009-3yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> 2009 Subject Definitions -> Population Variables -> Ancestry -> Estimates Based on People -> People Reporting Single Ancestry
People Reporting Single Ancestry
Includes all people who reported only one ethnic group such as "German." Also included in this category are people with only a multiple-term response such as "Scotch-Irish" who are assigned a single code because they represent one distinct group. For example, in this type of table, the count for "German" would be interpreted as "The number of people who reported that German was their only ancestry."

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2009 Summary File: Technical Documentation.
  ACS 2009-3yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> 2009 Subject Definitions -> Population Variables -> Ancestry -> Estimates Based on People -> People Reporting Multiple Ancestries
People Reporting Multiple Ancestries
Includes all people who reported more than one group, such as "German" and "Irish" and were assigned two ancestry codes. The "German" line on this table would be interpreted as "The number of people who responded that German was part of their multiple ancestry."

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2009 Summary File: Technical Documentation.
  ACS 2009-3yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> 2009 Subject Definitions -> Population Variables -> Ancestry -> Estimates Based on People -> People Reporting Ancestry
People Reporting Ancestry
Includes all people who reported each ancestry, regardless of whether it was their first or second ancestry, or part of a single or multiple response. This estimate is the sum of the two estimates above (for Single and Multiple ancestry). People can be listed twice in this table. For example, if someone reports their ancestry as "German and Danish," they will be listed once in German and once in Danish, and therefore the sum of the rows would not equal the total population. Interpret the "German" line of this table as "The total number of people who reported they had German ancestry."