Population Of Slough | Slough Population 2021

Slough Population 2021:- Slough is a large town in Berkshire, England. Slough is in the Thames Valley and within the London metropolitan area.

Slough’s population is one of the most ethnically diverse in the UK, attracting people from across the country and the world for labour since the 1920s, which has helped shape it into a major trading centre. Slough has the highest concentration of UK HQs of global companies outside London.


Slough Population

To know the actual Population of Slough 2021, We have to look at the population of the past 20 years. They are as follows:

  • 2001:- 119,070
  • 2011:- 140,200
  • Slough Population 2021:- 160,000 (Estimated)

By looking at the Population from 2001-2020. The Population of Slough 2021 according to the estimates is 160,000.



According to the 2011 census, Slough has a population of 140,200.

According to the 2011 census, 45.7% of the population was white (34.5% white British, 1.1% white Irish, 0.2% gypsy or Irish Traveller, 9.9% other white), 3.4% of mixed race (1.2% white and black Caribbean, 0.4% white and black African, 1.0% white and Asian, 0.8% other mixed), 39.7% Asian (17.7% Pakistani, 15.6% Indian, 0.4% Bangladeshi, 0.6% Chinese, 5.4% other Asian), 8.6% black (5.4% African, 2.2% Caribbean, 1.0% other black), 0.7% Arab and 1.9% of other ethnic heritage. In the post-war years, immigrants from the Commonwealth, notably Anguilla, Antigua and Barbuda, India and Pakistan came to Slough. Slough has a population density of 13,000/sq mi (5,100/km2).



2011 census showed that 41.2% of Slough’s population identified as Christian, 23.3% as Muslim, 10.6% as Sikh, 6.2% as Hindu, 0.5% as Buddhist, 0.1% as Jewish, 0.3% as having other religions, 12.1% as having no religion and 5.7% did not answer the question. Slough has the highest percentage of Sikh residents in the country. Slough also has the highest percentage of Muslim and Hindu residents in the South East region.


Immigrants in Slough (2011 census)

  • India 11,544
  • Pakistan 11,244
  • Poland 8,341
  • Kenya 2,183
  • Ireland 1,364
  • Zimbabwe 1,352
  • Somalia 1,247
  • Sri Lanka 1,219
  • Philippines 828
  • Afghanistan 759
  • Cambridge Population



Before the 19th century, the main businesses of Slough were brickfields and agriculture. Until the town developed as an industrial area, nurseries were prominent in the local economy.

In the last 20 years, there has been a major shift from a manufacturing to an information-based economy, with the closure of many factories. The factories are rapidly being replaced by office buildings. Hundreds of major companies have sited in Slough Trading Estate over the years, with its proximity to London Heathrow Airport and good motorway connections being attractive.

The European head offices of major IT companies such as BlackBerry, McAfee, Computer Associates, PictureTel and Compusys are all in the town.

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