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People and census in Slough

Unitary authority

The north of the South East. 167,450 people (mid-2025 estimate) in 33 square kilometres.

24 layers about people and census for Slough, each at the level its publisher released it, with its own date and source.

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Population by output area

Census 2021, England and Wales

Under 129379 or more

Slough’s 417 output areas range from 126 to 622.

What is the population of Slough?

Slough had 158,500 usual residents at the census.

Slough is the 149th most populated of 361 in the UK.

Population

Council
158,500
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

Slough had 158,500 usual residents at the census.

Slough is the 149th most populated of 361 in the UK.

Open in mapSource and methodEvery council ranked
Population: Slough among every council361 areas from 2,053 to 1,144,919. The middle area is 143,926. Slough is 158,500.

Population estimate

Council
167,450
ONS population estimates · 2025

Slough’s population was an estimated 167,450 in mid-2025.

The population rose 0.4% in the year to mid-2025.

Slough is 146th most populated of 361 for population.

Open in mapSource and methodEvery council ranked
Population estimate: Slough among every council361 areas from 2,299 to 1,176,960. The middle area is 148,772. Slough is 167,450.

Aged 15 to 64

Council
66.8%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

66.8% of residents in Slough were aged 15 to 64 at the census.

In South East the figure is 63.1%.

Against South East
6% higher63.1%
Open in mapSource and methodEvery council ranked
Aged 15 to 64: Slough among every council361 areas from 53.9% to 79.6%. The middle area is 62.8%. Slough is 66.8%.

Aged 65 and over

Council
9.7%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

9.7% of residents in Slough were aged 65 or over at the census.

In South East the figure is 19.4%.

Against South East
50% lower19.4%
Open in mapSource and methodEvery council ranked
Aged 65 and over: Slough among every council361 areas from 5.6% to 33.5%. The middle area is 19.7%. Slough is 9.7%.

Aged under 15

Council
23.5%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

23.5% of residents in Slough were aged under 15 at the census.

In South East the figure is 17.4%.

Against South East
35% higher17.4%
Open in mapSource and methodEvery council ranked
Aged under 15: Slough among every council361 areas from 6.4% to 24.6%. The middle area is 16.9%. Slough is 23.5%.

Born outside the UK

Council
44.0%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

44.0% of residents in Slough were born outside the UK.

In South East the figure is 15.8%.

Against South East
2.8 times15.8%
Open in mapSource and methodEvery council ranked
Born outside the UK: Slough among every council361 areas from 2.6% to 56.1%. The middle area is 9.9%. Slough is 44.0%.

Disability

Council
11.3%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

11.3% of residents in Slough had their day-to-day activities limited by a long-term health problem or disability.

In South East the figure is 16.1%.

Against South East
30% lower16.1%
Open in mapSource and methodEvery council ranked
Disability: Slough among every council361 areas from 10.7% to 29.3%. The middle area is 18.5%. Slough is 11.3%.

Good or very good health

Council
85.7%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

85.7% of residents in Slough said their health was good or very good.

In South East the figure is 84.0%.

Against South East
2% higher84.0%
Open in mapSource and methodEvery council ranked
Good or very good health: Slough among every council361 areas from 73.6% to 89.3%. The middle area is 81.7%. Slough is 85.7%.

Households

Council
52,423
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

Slough had 52,423 households at the census.

Slough is 129th lowest of 361 for the number of households.

Open in mapSource and methodEvery council ranked
Households: Slough among every council361 areas from 942 to 423,456. The middle area is 60,932. Slough is 52,423.

Households without a car or van

Council
20.3%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

20.3% of households in Slough had no car or van at the census.

In South East the figure is 16.9%.

Against South East
20% higher16.9%
Open in mapSource and methodEvery council ranked
Households without a car or van: Slough among every council361 areas from 7.8% to 77.2%. The middle area is 18.6%. Slough is 20.3%.

Owner-occupied homes

Council
49.5%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

49.5% of households in Slough owned their home at the census.

In South East the figure is 67.1%.

Against South East
26% lower67.1%
Open in mapSource and methodEvery council ranked
Owner-occupied homes: Slough among every council361 areas from 25.7% to 82.6%. The middle area is 67.3%. Slough is 49.5%.

Population density

Council
4,871 per km²
Worked out by Open Index · 2021

Slough had 4,871 people per square kilometre at the census.

In South East the figure is 486 per km².

Worked out by Open Index from census population counts and the area of each place.

Against South East
10 times486 per km²
Open in mapSource and methodEvery council ranked
Population density: Slough among every council361 areas from 8 per km² to 15,696 per km². The middle area is 568 per km². Slough is 4,871 per km².

Private rented homes

Council
30.7%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

30.7% of households in Slough rented privately at the census.

In South East the figure is 19.2%.

Against South East
1.6 times19.2%
Open in mapSource and methodEvery council ranked
Private rented homes: Slough among every council361 areas from 5.7% to 48.3%. The middle area is 17.3%. Slough is 30.7%.

Social rented homes

Council
19.6%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

19.6% of households in Slough rented from a council or housing association at the census.

In South East the figure is 13.6%.

Against South East
44% higher13.6%
Open in mapSource and methodEvery council ranked
Social rented homes: Slough among every council361 areas from 5.5% to 40.5%. The middle area is 14.6%. Slough is 19.6%.

Degree-level qualifications

CouncilEngland, Wales and Northern Ireland only
34.8%
ONS Census 2021 and NISRA Census 2021 · 2021

34.8% of residents aged 16 and over in Slough had a degree-level qualification at the census.

In South East the figure is 35.8%.

Against South East
3% lower35.8%
Open in mapSource and methodEvery council ranked
Degree-level qualifications: Slough among every council329 areas from 18.2% to 74.2%. The middle area is 31.8%. Slough is 34.8%.

Asian, Asian British or Asian Welsh

CouncilEngland and Wales only
46.7%
ONS Census 2021 · 2021

46.7% of residents in Slough identified with the Asian, Asian British or Asian Welsh ethnic group.

In South East the figure is 7.0%.

Against South East
6.7 times7.0%
Open in mapSource and methodEvery council ranked
Asian, Asian British or Asian Welsh: Slough among every council318 areas from 0.3% to 47.3%. The middle area is 3.6%. Slough is 46.7%.

Black, Black British, Black Welsh, Caribbean or African

CouncilEngland and Wales only
7.6%
ONS Census 2021 · 2021

7.6% of residents in Slough identified with the Black, Black British, Black Welsh, Caribbean or African ethnic group.

In South East the figure is 2.4%.

Against South East
3.2 times2.4%
Open in mapSource and methodEvery council ranked
Black, Black British, Black Welsh, Caribbean or African: Slough among every council318 areas from 0.1% to 26.8%. The middle area is 1.1%. Slough is 7.6%.

Mixed or Multiple ethnic groups

CouncilEngland and Wales only
4.0%
ONS Census 2021 · 2021

4.0% of residents in Slough identified with a Mixed or Multiple ethnic group.

In South East the figure is 2.8%.

Against South East
43% higher2.8%
Open in mapSource and methodEvery council ranked
Mixed or Multiple ethnic groups: Slough among every council318 areas from 0.7% to 8.1%. The middle area is 2.2%. Slough is 4.0%.

Other ethnic group

CouncilEngland and Wales only
5.7%
ONS Census 2021 · 2021

5.7% of residents in Slough identified with another ethnic group, including Arab.

In South East the figure is 1.5%.

Against South East
3.8 times1.5%
Open in mapSource and methodEvery council ranked
Other ethnic group: Slough among every council318 areas from 0.2% to 13.5%. The middle area is 0.9%. Slough is 5.7%.

White ethnic groups

CouncilEngland and Wales only
36.0%
ONS Census 2021 · 2021

36.0% of residents in Slough identified with a White ethnic group.

In South East the figure is 86.3%.

Against South East
58% lower86.3%
Open in mapSource and methodEvery council ranked
White ethnic groups: Slough among every council318 areas from 30.8% to 98.2%. The middle area is 92.2%. Slough is 36.0%.

Christian

CouncilEngland and Wales only
32.0%
ONS Census 2021 · 2021

32.0% of residents in Slough said they were Christian.

In South East the figure is 46.5%.

Against South East
31% lower46.5%
Open in mapSource and methodEvery council ranked
Christian: Slough among every council318 areas from 22.3% to 66.6%. The middle area is 47.9%. Slough is 32.0%.

No religion

CouncilEngland and Wales only
13.1%
ONS Census 2021 · 2021

13.1% of residents in Slough said they had no religion.

In South East the figure is 40.2%.

Against South East
67% lower40.2%
Open in mapSource and methodEvery council ranked
No religion: Slough among every council318 areas from 10.6% to 56.7%. The middle area is 39.9%. Slough is 13.1%.

Working mainly from home

CouncilEngland and Wales only
27.1%
ONS Census 2021 · 2021

27.1% of working residents in Slough worked mainly from home in March 2021.

In South East the figure is 35.8%.

Against South East
24% lower35.8%
Open in mapSource and methodEvery council ranked
Working mainly from home: Slough among every council318 areas from 10.6% to 67.3%. The middle area is 29.6%. Slough is 27.1%.

Annual population change

Council
0.4%
Worked out by Open Index · 2025

Slough’s estimated population changed by 0.4% in the year to mid-2025.

Worked out by Open Index from the mid-year population estimates.

Against South East
33% lower0.6%
Against the UK
33% higher0.3%
Open in mapSource and methodEvery council ranked
Annual population change: Slough among every council361 areas from −3.5% to 2.4%. The middle area is 0.4%. Slough is 0.4%.