A Statistical Local Area is an ASGC defined area used prior to the 2011 Census which consists of one or more Collection Districts (CDs). Statistical Local Areas have been made available in 2011 to provide a bridging unit between the ASGC and the ASGS.

Australia's official national statistical agency.

The geographical standard developed by the ABS for the collection and dissemination of geographic statistics. It replaced the Australian Standard Geographical Classification from July 2011, as the standard geographical framework for ABS data.

Blue Mountains Statistical Local Area

Is a Centre of Excellence within Transport for NSW that provides objective and credible transport data, advice and analysis on transport in NSW.

Gosford and Wyong Statistical Local Areas

Smallest geographical area used by the ABS in censuses prior to 2011. From 2011, CD's were replaced with Statistical Areas Level 1 (SA1s).

Destination Zones (DZNs) are the spatial unit used to code Census Place of Work (POWP) data. The DZNs are built from whole Mesh Blocks and aggregate to Statistical Areas Level 2 (SA2s).

Structure of dwelling e.g. detached house, flat.

Dump codes are codes assigned to records with incomplete workplace address information.