Census results are available for a range of areas - some are current at the time of the Census and in some cases results are produced for areas that are changed or updated after the Census.
This section provides a brief guide to census geography, including a look at how the building block for Census Geography - the Output Area, was developed and produced. Information about geographic products is also provided, including reusable vector boundaries, and look-up files that relate constitutions of various types of larger area to the Output Area building blocks.
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Area types
Information about the administrative areas covered by Census outputs
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Geographical referencing
Overview of the grid referencing of addresses to apply a unique geographical location.
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Output Areas
Introduction to Output Areas - the building block of Census geography.
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Output Area production
Overview of the system used to create the Output Areas
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Overlapping geographies
Information on the creation of overlapping geographies to present anonymised Census counts
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Geographic products
Overview of geographic reference products available for Census 2001
