You asked

​​I would like to obtain the population data for the Home Counties, Middlesex and the County of London from 1889 - 1965. I would like this information to make a collection of data on the impact that the creation of the Greater London Authority had on South-East England.

We said

Thank you for your Freedom of Information request about the population data for the Home Counties, Middlesex and the County of London from 1889-1965.

Please see in the accompanying download, named '1801-2001 Counties (Population and Area)', Census data of population and area at county level for the period 1801 through to 2001.  This is a bespoke historic Census population table produced from the published population statistics ten yearly Census volumes.

This data can also be found on the Histpop website - www.histpop.org, for the period 1801 - 1931. Please also see the additional download, named 'HISTPOP Instructions', should you wish to explore further Census data.

Please note this is a busy website and you may receive an error message, please be patient whilst trying to access it.

The link below provides estimates of London's population 1801 - 1965 derived from historical Census data. This data can be downloaded via the following link: https://data.london.gov.uk/dataset/historic-census-population?resource=2c7867e53682-4ffd-8b9d-c63e289b92a6

Please also see the download, named '1801-1991 Greater London Boroughs - Persons', which has Table 1-Total persons present (thousands) 1801 to 1991 for Greater London Boroughs.

The download named 'Middlesex - London Government Act 1963' provides background information about the county, which may be of use to you.

When accessing any of our files please read the 'notes, terms and conditions' contained within them.

Please do not hesitate to contact us directly on pop.info@ons.gov.uk if you require anything further.