Australian Bureau of Statistics
1216.0 - Australian Standard Geographical Classification (ASGC), 2001
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 28/09/2001
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Incorporated areas only
The LGA Structure covers only incorporated areas of Australia. Incorporated areas are legally designated areas over which incorporated local governments have responsibility. The major areas of Australia not covered by incorporated bodies are the northern parts of South Australia, most of the Northern Territory and all of the Australian Capital Territory and the Other Territories.
The LGA Structure has four levels of hierarchy in Population Census years, comprising in ascending order: CDs-SLAs-LGAs-S/Ts (Incorporated Areas). In non-census years, with CDs undefined, it has only three levels of hierarchy. The spatial units in each level relate to the spatial units in other levels through aggregation or disaggregation. For example, CDs aggregate to SLAs while SLAs are disaggregates of LGAs. The spatial units within each level collectively cover only the ‘incorporated’ areas of Australia.
LGAs included in the structure
LGAs are proclaimed by various State government authorities and are gazetted throughout the year. Presently, LGAs are used as the base on which SLAs are defined for the ASGC. Because this definition process takes time, LGAs gazetted during the year leading up to an ASGC edition cannot always be processed in time for inclusion in that edition. For instance, complex LGA changes which result in complicated redesign of SLAs, or changes gazetted too close to the effective date of 1 July of an ASGC edition, may sometimes have to be included in a later edition.
The current LGA Structure, down to SLA level, is shown in the table - Alphabetic List of LGAs and SLAs within States/Territories - in Chapter 13.
Note that there is no SD or SSD code for the LGA because LGAs are not part of the Main Structure. This table also shows SLAs which cover unincorporated areas and are therefore not part of the LGA Structure.
This page last updated 8 May 2006
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