Data Dictionary:  ACS 2007 (1Year Estimates) 
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Survey: ACS 2007 (1Year Estimates)
Data Source:  Social Explorer; U.S. Census Bureau 
Table:  T103. Average Gross Rent [1] 
Universe: Renteroccupied housing units
Table Details
T103.  Average Gross Rent  
Universe: Renteroccupied housing units  

Relevant Documentation:
Excerpt from:  Social Explorer; U.S. Census Bureau; American Community Survey 2007 Summary File: Technical Documentation. 
ACS 20071yr Summary File: Technical Documentation > Appendix B. Subject Definitions > Derived Measures > Mean 
This measure represents an arithmetic average of a set of values. It is derived by dividing the sum (or aggregate) of a group of numerical questions by the total number of questions in that group. For example, 'mean household earnings' is obtained by dividing the aggregate of all earnings reported by individuals with earnings living in households by the total number of households with earnings. (Additional information on means and aggregates is included in the separate explanations of many population and housing variables.)
An aggregate is the sum of the values for each of the elements in the universe. For example, aggregate household income is the sum of the incomes of all households in a given geographic area. Means are derived by dividing the aggregate by the appropriate universe. When an aggregate used as a numerator is rounded in the detailed (base) tables, the rounded value is used for the calculation of the mean.
To protect the confidentiality of responses, the aggregates shown in matrices for the list of subjects below are rounded. This means that the aggregates for these subjects, except for travel time to work, are rounded to the nearest hundred dollars. Unless special rounding rules apply (see below); $150 rounds up to $200; $149 rounds down to $100. Note that each cell in a matrix is rounded individually. This means that an aggregate value shown for the United States may not necessarily be the sum total of the aggregate values in the matrices for the states. This also means that the cells in the aggregate matrices may not add to the total and/or subtotal lines.
Excerpt from:  Social Explorer; U.S. Census Bureau; American Community Survey 2007 Summary File: Technical Documentation. 
ACS 20071yr Summary File: Technical Documentation > Appendix B. Subject Definitions > Housing Variables > Gross Rent 
The data on gross rent were obtained from answers to Housing Questions 14ad and 18 in the 2007 American Community Survey. Gross rent is the contract rent plus the estimated average monthly cost of utilities (electricity, gas, and water and sewer) and fuels (oil, coal, kerosene, wood, etc.) if these are paid by the renter (or paid for the renter by someone else). Gross rent is intended to eliminate differentials that result from varying practices with respect to the inclusion of utilities and fuels as part of the rental payment. The estimated costs of water and sewer, and fuels are reported on a 12month basis but are converted to monthly figures for the tabulations. Renter units occupied without payment of rent are shown separately as "No cash paid" in the tabulations.
To inflate gross rent amounts from previous years, the dollar values are inflated to the latest years dollar values by multiplying by a factor equal to the average annual Consumer Price Index (CPIURS) factor for the current year, divided by the average annual CPIURS factor for the earlier/earliest year.
Median gross rent divides the gross rent distribution into two equal parts: onehalf of the cases falling below the median gross rent and onehalf above the median. Median gross rent is computed on the basis of a standard distribution. (See the Standard Distributions section under "Derived Measures.") Median gross rent is rounded to the nearest whole dollar. (For more information on medians, see "Derived Measures.")
Aggregate gross rent is calculated by adding together all the gross rents for all specified housing units in an area. Aggregate gross rent is rounded to the nearest hundred dollars. (For more information, see Aggregate under "Derived Measures.")