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Census 2021

The Census is a survey that happens every 10 years and is run by the Office of National Statistics. The last Census Day for England and Wales was Sunday 21 March 2021. Find our more about the Census below. 

The first results of the 2021 Census have now been published. Full information is available on the Census website here:

In St Albans, the population size has increased by 5.4%, from around 140,700 in 2011 to 148,200 in 2021. This is lower than the overall increase for England (6.6%), where the population grew by nearly 3.5 million to 56,489,800. At 5.4%, St Albans' population increase is lower than the increase for the East of England (8.3%).

Go to the St Albans results

Nearby areas like Central Bedfordshire and Watford have seen their populations increase by around 15.7% and 13.3%, respectively, while others such as Dacorum saw an increase of 7.1% and North Hertfordshire saw smaller growth (4.8%).

The largest population increases in the East of England have been seen in Bedford and Cambridge, where the populations have grown by 17.7% and 17.6%, respectively.

You can find out more about St Albans City and District in an interactive graphic on the Census website:

You can also use Census maps to find out what people’s lives are like across England and Wales, including in the St Albans District. This digital content allows you to explore Census 2021 data for different topics down to a local authority and neighbourhood level.