Population numbers have increased by more than 3.5 million in the past 10 years, raising the overall population by 6.3 per cent to over 59 million. But how have things changed locally?
Population
Slough has grown by 13 per cent to 158,000 in 2021, whereas Windsor and Maidenhead have grown by 6.2 per cent to 153,500.
The data has found that as of 2021 Slough is the third most densely populated of the South East's 64 local authority areas, meanwhile, Windsor and Maidenhead ranked 64th.
Age
Most age groups have increased in population, with those over 65 increasing by 0.5 per cent in Slough and Windsor and Maidenhead seeing a similar skew of results (18.5 per cent), those aged 25 to 34-year-old age group has fallen by 4.9 per cent.
The median age of Slough has increased by two years since the last data, now standing at 34 years of age
Windsor and Maidenhead's median age has also risen by two, from 40 to 42.
Place of birth
Over half (55 per cent) of Slough residents were born in England and 78.3 per cent of Windsor and Maidenhead residents were born in the UK.
India is the next most popular birth place, with 10.8 per cent of Slough's population having been born there.
Pakistan is the third most prevalent birth place for the area, with 9.1 per cent being born there and 5.6 per cent of the Slough population was born in Poland.
Just down the road 74.8 per cent of Windsor and Maidenhead were born in England, while 2.9 per cent were born in India.
Religion
Over 80 per cent of Slough is religious, with Christianity and Islam being the most prevalent in the area.
Christians make up 32 per cent of the population, having fallen from 41.2 per cent of the population in 2011.
Muslims make up 29.4 per cent of the population, rising from 23.3 per cent in 2011.
Other popular religions in the area are Sikh and Hindu.
Meanwhile, over 30 per cent of Windsor and Maidenhead do not have a religion.
Nearly 50 per cent of the area is Christian.
Marriage
Figures reveal that over half of Slough is married, with the town seeing the largest jump in marriage and civil partnerships in the UK, from 48.6 per cent in 2011 to 50.6 per cent in 2021.
Dependents
Slough saw England's largest percentage-point rise in the share of households including a couple with dependent children, from 23.3 per cent in 2011 to 27.5 per cent in 2021.
This is a rise of 4.2 per cent.
Meanwhile, one-person households decreased by 5.1 per cent.
Similar results are echoed by Windsor and Maidenhead with an increase in dependents and a 1.6 per cent decrease in one-person households.
About the data:
The data used in this article was recorded on March 21, 2021 and is designed to reflect the entire resident population.
To find out more visit ons.gov.uk/census
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