Population Estimates Unit
Telephone: +44 (0)1329 444661
Frequency of release: Annually
Geographical coverage: England and Wales
Geographical breakdown: Parliamentary Constituency
The 573 Westminster Parliamentary Constituencies in England and Wales have a mean population of 98,700 in mid-2012.
On average Westminster Parliamentary Constituencies in Wales have smaller populations than those in England, with a mean population size of 76,900 compared to 100,400 in England.
Predominantly urban ‘borough’ constituencies have a mean population size of 103,400; while the more rural ‘county’ constituencies have a mean population size of 94,900.
The parliamentary constituency with the greatest population increase in the year to mid-2012 was Poplar and Limehouse (3.9%) while Kensington had the greatest population decrease (-2%).
The population age distribution varies widely across the country with the parliamentary constituencies with the youngest median ages being located in central areas of large cities.
Parliamentary constituency population estimates are of particular interest to parliamentary organisations, researchers and MPs.
This product is part of the set of Small Area Population Estimates (SAPE) and includes mid-2012 estimates for the 573 Westminster parliamentary constituencies in England and Wales.