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Data Dictionary: ACS 2013 (5-Year Estimates) Comparability Data
you are here: choose a survey survey data set table variable details
Data Source: U.S. Census Bureau
Universe: Universe: Households
Variable Details
B08201. Household Size by Vehicles Available
Universe: Universe: Households
B08201006 4 or More Vehicles Available
Percent base:
Households (ACS13_5yr:B08201001)
Aggregation method:
Addition
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2013 5yr Summary File: Technical Documentation.
  ACS 2013-5yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2013 Subject Definitions -> Housing Variables -> Household Size
Household Size
This question is based on the count of people in occupied housing units. All people occupying the housing unit are counted, including the householder, occupants related to the householder, and lodgers, roomers, boarders, and so forth.

Average Household Size of Occupied Unit
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A measure obtained by dividing the number of people living in occupied housing units by the total number of occupied housing units. This measure is rounded to the nearest hundredth.

Average Household Size of Owner-occupied Unit
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A measure obtained by dividing the number of people living in owner-occupied housing units by the total number of owner- occupied housing units. This measure is rounded to the nearest hundredth.

Average Household Size of Renter-occupied Unit
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A measure obtained by dividing the number of people living in renter-occupied housing units by the total number of renter- occupied housing units. This measure is rounded to the nearest hundredth.

Comparability

Data on household size in the 2013 American Community Survey can be compared to previous ACS. The ACS estimates of household size differ from those obtained from the 2010 Census. For more information, see “Comparing 2010 American Community Survey 1-Year Estimates of Occupancy Status, Vacancy Status, and Household Size with the 2010 Census – Preliminary Results” on the ACS website (http://www.census.gov/acs) and enter the paper title in the ACS website search box.
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2013 5yr Summary File: Technical Documentation.
  ACS 2013-5yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2013 Subject Definitions -> Housing Variables -> Vehicles Available
Vehicles Available
The data on vehicles available were obtained from Housing Question 12 in the 2013 American Community Survey. The question was asked at occupied housing units. These data show the number of passenger cars, vans, and pickup or panel trucks of one-ton capacity or less kept at home and available for the use of household members. Vehicles rented or leased for one month or more, company vehicles, and police and government vehicles are included if kept at home and used for non-business purposes. Dismantled or immobile vehicles are excluded. Vehicles kept at home but used only for business purposes also are excluded.

The availability of vehicles provides information for numerous transportation programs. When the data is used in conjunction with place-of-work and journey-to-work data, the information can provide insight into vehicle travel and aid in forecasting future travel and its effect on transportation systems. The data also serve to aid in the development of emergency and evacuation planning, special transportation services, and forecasting future energy consumption and needs.

Question/Concept History

The 1996-1998 American Community Survey question provided a space for the respondent to enter the number of vehicles. Since 1999, the American Community Survey question provided seven pre-coded response categories ranging from "None" to "6 or more."

Comparability

Data on vehicle availability in the 2013 American Community Survey can be compared to previous ACS and Census 2000 vehicle availability data.