2901.0 - Census Dictionary, 2011
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 23/05/2011
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The Census counts people where they were located on Census Night and this count of the population is referred to as the place of enumeration count. A count of the population based on their place of usual residence is also available. Place of usual residence is derived from questions on the Census form. In Censuses prior to 2006, many of the Census products presented data on a place of enumeration basis. For the 2006 and 2011 Censuses, the focus will be on place of usual residence.
Census counts by place of usual residence:
For the 2001 and 2006 Censuses, usual residence data were coded to the Collection District (CD) level. This meant that usual residence counts could be produced on request, at CD level and for CD-derived areas such as Postal Areas and suburbs.
For the 2011 Census, usual residence data have been coded to Statistical Area Level 1 (SA1). This means that usual residence counts will be available for SA1s and aggregates of SA1s for both the Australian Statistical Geography Standard (ASGS) areas and Non-ASGS areas i.e Postal Areas, Commonwealth/State Electoral Divisions. In addition, data will be available for usual residence at the Statistical Local Area for the Australian Standard Geographical Classification (ASGC) and aggregates such as Local Government Areas.
The variables Family Composition (FMCF) and Household Composition (HHCD) are coded on a place of usual residence basis rather than a place of enumeration basis. All visitors to dwellings are excluded when coding these variables. Usual residents who are reported as 'temporarily absent' are included in the coding of Family Composition (FMCF) and Household Composition (HHCD).
Estimated Resident Population: Estimates of the resident population for 30 June 2011 are based on the 2011 Census counts by place of usual residence.
While every effort is made to achieve a complete Census count, some undercounting inevitably occurs for various reasons, for example, the inadvertent omission of very young children, treatment of some dwellings as unoccupied when in fact they are occupied, and failure to find all dwellings. Refusal by householders to complete the Census form is not a significant cause of undercounting.
See also Australian Standard Geographical Classification (ASGC), Australian Statistical Geography Standard (ASGS) , Estimated Resident Population (ERP), Family, Household, Place of enumeration, Place of Usual Residence (PURP), Undercounting and/or underenumeration.