| Data Dictionary: | ACS 2009 (5-Year Estimates) |
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Survey: ACS 2009 (5-Year Estimates)
| Data Source: | U.S. Census Bureau |
| Table: | B00002. Unweighted Sample Housing Units [1] |
Universe: Housing units
Table Details
| B00002. | Unweighted Sample Housing Units | ||||
| Universe: Housing units | |||||
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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 -> Sex -> Limitation of the data |
Beginning in 2006, the population in group quarters (GQ) was included in the ACS. Some types of GQ populations have sex distributions that are very different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the sex distribution. This is particularly true for a given geographic area. This is particularly true for areas with a substantial GQ population. The Census Bureau tested the changes introduced to the 2008 version of the sex question in the 2007 ACS Grid-Sequential Test (www.census.gov/acs). The results of this testing show that the changes may introduce an inconsistency in the data produced for this question as observed from the years 2007 to 2008.
