Data Dictionary: ACS 2009 -- 2011 (3-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B06010. Place Of Birth By Individual Income In The Past 12 Months (In 2011 Inflation-Adjusted Dollars) In The United States [55]
Universe: Universe: Population 15 years and over in the United States
Table Details
B06010. Place Of Birth By Individual Income In The Past 12 Months (In 2011 Inflation-Adjusted Dollars) In The United States
Universe: Universe: Population 15 years and over in the United States
Variable Label
B06010001
B06010002
B06010003
B06010004
B06010005
B06010006
B06010007
B06010008
B06010009
B06010010
B06010011
B06010012
B06010013
B06010014
B06010015
B06010016
B06010017
B06010018
B06010019
B06010020
B06010021
B06010022
B06010023
B06010024
B06010025
B06010026
B06010027
B06010028
B06010029
B06010030
B06010031
B06010032
B06010033
B06010034
B06010035
B06010036
B06010037
B06010038
B06010039
B06010040
B06010041
B06010042
B06010043
B06010044
B06010045
B06010046
B06010047
B06010048
B06010049
B06010050
B06010051
B06010052
B06010053
B06010054
B06010055
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2009-2011 Summary File: Technical Documentation.
 
Place of Birth
The data on place of birth were derived from answers to Question 7. Respondents were asked to select one of two categories: (1) in the United States, or (2) outside the United States. In the American Community Survey, respondents selecting category (1) were then asked to report the name of the state while respondents selecting category (2) were then asked to report the name of the foreign country, or Puerto Rico, Guam, etc. In the Puerto Rico Community Survey, respondents selecting category (1) were also asked to report the name of the state, while respondents selecting category (2) were then asked to print Puerto Rico or the name of the foreign country, or U.S. Virgin Islands, Guam, etc. People not reporting a place of birth were assigned the state or country of birth of another family member, or were allocated the response of another individual with similar characteristics. People born outside the United States were asked to report their place of birth according to current international boundaries. Since numerous changes in boundaries of foreign countries have occurred in the last century, some people may have reported their place of birth in terms of boundaries that existed at the time of their birth or emigration, or in accordance with their own national preference.

The place of birth questions along with the citizenship status question provide essential data for setting and evaluating immigration policies and laws. Knowing the characteristics of immigrants helps legislators and others understand how different immigrant groups are assimilated. Federal agencies require these data to develop programs for refugees and other foreign-born individuals. Vital information on lifetime migration among states also comes from the place of birth question.
Nativity
Information on place of birth and citizenship status was used to classify the population into two major categories: native and foreign born.

Native
The native population includes anyone who was a U.S. citizen at birth. The native population includes those born in the United States, Puerto Rico, American Samoa, Guam, the Northern Marianas, or the U.S. Virgin Islands, as well as those born abroad of at least one U.S. citizen parent. The native population is divided into the following groups: people born in the state in which they resided at the time of the survey; people born in a different state, by region; people born in Puerto Rico or one of the U.S. Island Areas; and people born abroad with at least one U.S. citizen parent. (See also "Citizenship Status.")

Foreign Born
The foreign-born population includes anyone who was not a U.S. citizen at birth. This includes respondents who indicated they were a U.S. citizen by naturalization or not a U.S. citizen. (See also "Citizenship Status.")
The foreign-born population is shown by selected area, country, or region of birth. The places of birth shown in data products were chosen based on the number of respondents who reported that area or country of birth.
Question/Concept History
The 1996-1998 American Community Survey question asked respondents to write in the U.S. state, territory, commonwealth or foreign country where this person was born. Beginning in 1999, the question asked "Where was this person born?" and provided two check-boxes, each with a write-in space.

Limitation of the Data
Beginning in 2006, the group quarters (GQ) population is included in the ACS. Some types of GQ populations may have place of birth distributions that are different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the place of birth distribution. This is particularly true for areas with a substantial GQ population.
Comparability
This data source is comparable to the decennial censuses. See the 2011 Code List for Place of Birth Code List.

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2009-2011 Summary File: Technical Documentation.
 
Income of Individuals
Income for individuals is obtained by summing the eight types of income for each person 15 years old and over. The characteristics of individuals are based on the time of interview even though the amounts are for the past 12 months.