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Data Dictionary: ACS 2011 (5-Year Estimates)
you are here: choose a survey survey data set table variable details
Data Source: Social Explorer; U.S. Census Bureau
Universe: Housing units with a mortgage
Variable Details
A10049. Selected Monthly Owner Costs as a Percentage of Household Income in 2011 for Housing Units with a Mortgage
Universe: Housing units with a mortgage
A10049_003 30 Percent or More
Percent base:
Housing Units with a Mortgage: (SE:A10049_001)
Aggregation method:
Addition
Formula used to compute this variable:
Return_Value = ACS11_5yr:B25091008 + ACS11_5yr:B25091009 + ACS11_5yr:B25091010 + ACS11_5yr:B25091011; if (ACS11_5yr:B25091008.IsNull || ACS11_5yr:B25091009.IsNull || ACS11_5yr:B25091010.IsNull || ACS11_5yr:B25091011.IsNull) Return_Value.IsNull = true
Variables used in the formula:
ACS11_5yr:B25091008
Owner-Occupied Housing Units: Housing Units with a Mortgage: 30.0 to 34.9 Percent
ACS11_5yr:B25091009
Owner-Occupied Housing Units: Housing Units with a Mortgage: 35.0 to 39.9 Percent
ACS11_5yr:B25091010
Owner-Occupied Housing Units: Housing Units with a Mortgage: 40.0 to 49.9 Percent
ACS11_5yr:B25091011
Owner-Occupied Housing Units: Housing Units with a Mortgage: 50.0 Percent or More
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2011 Summary File: Technical Documentation.
  The 2007-2011 ACS 5-Year Summary File Technical Documentation -> Appendix A. Supplemental Documentation -> Subject Definitions -> Housing Variables -> Selected Monthly Owner Costs as a Percentage of Household Income
Selected Monthly Owner Costs as a Percentage of Household Income
The information on selected monthly owner costs as a percentage of household income is the computed ratio of selected monthly owner costs to monthly household income. The ratio was computed separately for each unit and rounded to the nearest whole percentage. The data are tabulated only for owner-occupied units.

Separate distributions are often shown for units "with a mortgage" and for units "not mortgaged." Units occupied by households reporting no income or a net loss are included in the "not computed" category. (For more information, see the discussion under "Selected Monthly Owner Costs.")

Selected monthly owner costs as a percentage of household income provide information on the monthly housing cost expenses for owners. The information offers an excellent measure of housing affordability and excessive shelter costs. The data also serve to aid in the development of housing programs to meet the needs of people at different economic levels.

Median Selected Monthly Owner Costs as a Percentage of Household Income
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This measure divides the selected monthly owner costs as a percentage of household income distribution into two equal parts: one-half of the cases falling below the median selected monthly owner costs as a percentage of household income and one-half above the median. Median selected monthly owner costs as a percentage of household income is computed on the basis of a standard distribution. (See the "Standard Distributions" section under "Appendix A.") Median selected monthly owner costs as a percentage of household income is rounded to the nearest tenth. (For more information on medians, see "Derived Measures.")

Comparability
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Caution should be used when comparing selected monthly owner costs as a percentage of household income data between the American Community Survey and Census 2000. For Census 2000, tables for both total owner-occupied housing units and specified owner-occupied housing units were released, thus comparisons can be made only when comparing the same universes between the two data sets. Additionally, for Census 2000 tables with full distributions were released for total owner-occupied housing units but medians were not shown.