This section is a summary of the main geographical areas for which Census results have been presented in England and Wales between 1801 and 2001.
It indicates when each main type of area was introduced into Census reports - effectively the sole means of publishing results up to and including the 1961 Census - and, if they are not still in current use, when they were last used to report Census results. Many of the areas have been subject to boundary change whilst current, and the existence of a named area over a series of Censuses does not necessarily mean that it remained unchanged in terms of its geographical extent.
Change and comparability
The historic and persistent character of Census geography as it reflects the dynamics and complexity of the administration of the country was summed up as long ago as the General Report of the 1901 Census which said 'the whole of England and Wales has been divided at different times into various administrative areas with little regard to previously existing divisions that, at the present time, the serious overlapping of boundaries render the work both of the Census Office and the local Officials ...laborious and extremely complicated'.
In very general terms the most significant changes have been the phasing out of 'ancient' administrative areas around the end of the nineteenth century with the introduction of more modern administrative areas, and then the radical reorganisation of local government areas in 1966 and 1974, followed by the introduction of unitary authorities in the whole of Wales and parts of England between 1994 and 1997 . There has also been a 'turnover' of other geographical areas which have reflected the statistical needs of the times.
The large majority of Census results below the national level have been presented for areas of local government. From 1881 to 1971 these reflected an urban/rural divide, with Rural Districts and with various administrative types reflecting the size and status of urban areas. This changed in part in 1966, principally with major reorganisation of Greater London, and throughout the remainder of England and Wales in 1974 when the rural/urban divide was subsumed into Districts within 'shire' counties or into Metropolitan districts within Metropolitan Counties. This structure was changed again in part in England bedtween 1994 and 1997 when some 'shire counties' were abolished and Unitary Authorities were introduced in their place and for a number of larger cities previously within 'shire' counties. Unitary authorities were introduced throughout Wales.
Civil parishes, which currently cover the fifth least urban part of the population of England are the least changed areas and may prove a useful basis of local studies, but parishes are subject to boundary change. Reports have also been prepared from the 1981, 1991, and 2001 Cenuses to provide a continued picture of the urban/rural divide [More details...].
Main areas: England and Wales: for which Census results have been reported, by Census date
Areas may have existed/exist in limited parts only of England and Wales
Areas of regional and local government Ancient
Ancient counties 1801-1901
Hundreds, Wapentakes 1801-1881
Ancient Parishes 1801-1881
Boroughs 1901-1841
Modern
Administrative counties 1891-2001**
County boroughs 1851-1971
Unitary authorities 2001
Districts (England and Wales) 1971-1991
Districts (England) 1971-2001
Municipal boroughs 1851-1971
Metropolitan boroughs 1901-1961
London boroughs 1961-2001
Urban districts 1881-1971
Rural districts 1881-1971
Civil parishes (England and Wales) 1871-1971
Civil Parishes (England) 1871-2001
Communities (Wales)
Government Office Regions (England)
New Towns 1851-1971*
National Parks 2001
Electoral areas
Constituencies (Westminster) 1841/1851-2001
European Assembly
Welsh Assembly 2001
Wards (England and Wales) 1871-
Wards (England) 1871-2001
Electoral divisions (Wales)
Health
Regional health authorities 1991
District health authorities 1991
Strategic health authorities (England) 2001
Primary care trusts (England) 2001
Local health boards (Wales) 2001
Postal
Postal sectors 1991-2001
Statistical
Statistical Regions 1921-
Conurbations 1951- 1971*
Conurbation centres/major centres of employment 1961-1991
Urban areas/remaining areas 1981-2001
Urban and rural areas (2004 definition) 2001
Enumeration Districts 1966-1991
Output Areas 2001
Super Output Areas 2001
National Grid Squares 1971
Other
Results were also released for certain ecclesiastical areas between 1831 and 1951, for certain areas used in the administration of the legal system between 1871 and 1951, and for areas used in the administration of civil registration between 1841 and 1921.
Notes
* Population counts for New Towns and conurbations were included for comparability after local government reorganisation in the report '1981 Census: Preliminary report for towns, urban and rural population: England and Wales' HMSO, second edition 1982, but no further results were produced.
** Selected 2001 Census reports presented results for the populations of former Metropolitan and 'shire' counties where these had been superceded since 1991.
Further information
A detailed account of 'the areas for which populations have been given in Census reports' was published as part 6 on pages 261 to 273 of Guide to Census Reports: Great Britain 1801- 1966 HMSO, London, 1977. There has been no updating of this guide, but detailed information on the range of areas covered in the 1971-1991 Censuses are from the reports.
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