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Scottish Parliamentary Constituency (SPC) Population Estimates (2011 Data Zone based)

Scottish Parliamentary Constituency (SPC) Population Estimates (2011 Data Zone based)


Last Updated: 24 August 2017

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This section provides annual mid-year population estimates for the 73 Scottish Parliamentary Constituencies (SPCs). The constituency boundaries and names correspond to those defined for the 2011 Scottish Parliament elections. The population estimates are available for each year from 2002 up to 2014 for 2001 Data Zones, and from 2011 onwards for 2011 Data Zones, broken down by sex and single year of age.

Parliamentary constituency boundaries may change from one election to the next. A constituency in the 2014 elections may have a different boundary from one with the same name in earlier elections. These population estimates show how the populations in the constituencies that were defined for the 2014 Scottish Parliament elections have changed over time.

Populations for SPCs are based on data zone population estimates where each data zone has been assigned to a particular SPC on a ‘best-fit’ basis. Where a data zone crosses the boundary of two (or more) SPCs it was assigned to the constituency containing the location of the population-weighted centroid of the data zone. More information on data zone population estimates is available on the Small Area Population Estimates section of this website.

Work carried out using 2011 Census data suggested that SPC population estimates based on 2011 Data Zones were within 2.5 per cent of the ‘true’ (that is Postcode based) population for 71 out of the 73 Scottish Parliamentary Constituencies. The estimates for the remaining two SPC’s (Glasgow Maryhill and Springburn and Glasgow Kelvin) have been adjusted to account for a boundary problem. The Evaluation of Non Standard Geography Population Estimates report on this website gives further information on the data used in the process.


The file below has been made available as an Excel workbook. When opening the workbook your browser, depending on how it has been configured, will prompt to either open the file or save it to disk. Maximum file size 812Kb.

Table 1

Estimated population by sex, single year of age and Scottish Parliamentary Constituency area, mid-2011 to mid-2016
(Excel    CSV)

A brief summary of the data in these tables is included in the latest Small Area Population Estimates report.


Maps and further information on the parliamentary constituency boundaries are available on the Boundary Commission for Scotland website.

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