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People and census in Swansea

Welsh council

South west Wales. 249,429 people in 378 square kilometres.

24 layers about people and census for Swansea, 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

Swansea’s 806 output areas range from 103 to 1,113.

What is the population of Swansea?

Swansea had 238,490 usual residents at the census.

Swansea is the 86th most populated of 361 in the UK.

Population

Council
238,490
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

Swansea had 238,490 usual residents at the census.

Swansea is the 86th most populated of 361 in the UK.

Population: Swansea among every council361 areas from 2,053 to 1,144,919. The middle area is 143,926. Swansea is 238,490.

Population estimate

Council
249,429
ONS population estimates · 2025

Swansea’s population was an estimated 249,429 in mid-2025.

The population fell 0.5% in the year to mid-2025.

Swansea is 86th most populated of 361 for population.

Population estimate: Swansea among every council361 areas from 2,299 to 1,176,960. The middle area is 148,772. Swansea is 249,429.

Aged 15 to 64

Council
63.5%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

63.5% of residents in Swansea were aged 15 to 64 at the census.

In Wales the figure is 62.2%.

Against Wales
2% higher62.2%
Aged 15 to 64: Swansea among every council361 areas from 53.9% to 79.6%. The middle area is 62.8%. Swansea is 63.5%.

Aged 65 and over

Council
20.5%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

20.5% of residents in Swansea were aged 65 or over at the census.

In Wales the figure is 21.3%.

Against Wales
4% lower21.3%
Aged 65 and over: Swansea among every council361 areas from 5.6% to 33.5%. The middle area is 19.7%. Swansea is 20.5%.

Aged under 15

Council
16.0%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

16.0% of residents in Swansea were aged under 15 at the census.

In Wales the figure is 16.5%.

Against Wales
3% lower16.5%
Aged under 15: Swansea among every council361 areas from 6.4% to 24.6%. The middle area is 16.9%. Swansea is 16.0%.

Born outside the UK

Council
9.4%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

9.4% of residents in Swansea were born outside the UK.

In Wales the figure is 6.9%.

Against Wales
36% higher6.9%
Born outside the UK: Swansea among every council361 areas from 2.6% to 56.1%. The middle area is 9.9%. Swansea is 9.4%.

Disability

Council
22.4%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

22.4% of residents in Swansea had their day-to-day activities limited by a long-term health problem or disability.

In Wales the figure is 21.6%.

Against Wales
4% higher21.6%
Disability: Swansea among every council361 areas from 10.7% to 29.3%. The middle area is 18.5%. Swansea is 22.4%.

Good or very good health

Council
78.7%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

78.7% of residents in Swansea said their health was good or very good.

In Wales the figure is 78.6%.

Against Wales
About the same78.6%
Good or very good health: Swansea among every council361 areas from 73.6% to 89.3%. The middle area is 81.7%. Swansea is 78.7%.

Households

Council
104,962
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

Swansea had 104,962 households at the census.

Swansea is 80th highest of 361 for the number of households.

Households: Swansea among every council361 areas from 942 to 423,456. The middle area is 60,932. Swansea is 104,962.

Households without a car or van

Council
22.6%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

22.6% of households in Swansea had no car or van at the census.

In Wales the figure is 19.4%.

Against Wales
16% higher19.4%
Households without a car or van: Swansea among every council361 areas from 7.8% to 77.2%. The middle area is 18.6%. Swansea is 22.6%.

Owner-occupied homes

Council
62.6%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

62.6% of households in Swansea owned their home at the census.

In Wales the figure is 66.4%.

Against Wales
6% lower66.4%
Owner-occupied homes: Swansea among every council361 areas from 25.7% to 82.6%. The middle area is 67.3%. Swansea is 62.6%.

Population density

Council
632 per km²
Worked out by Open Index · 2021

Swansea had 632 people per square kilometre at the census.

In Wales the figure is 150 per km².

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

Against Wales
4.2 times150 per km²
Population density: Swansea among every council361 areas from 8 per km² to 15,696 per km². The middle area is 568 per km². Swansea is 632 per km².

Private rented homes

Council
18.0%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

18.0% of households in Swansea rented privately at the census.

In Wales the figure is 17.0%.

Against Wales
6% higher17.0%
Private rented homes: Swansea among every council361 areas from 5.7% to 48.3%. The middle area is 17.3%. Swansea is 18.0%.

Social rented homes

Council
19.1%
ONS Census 2021 and Scotland's Census 2022 and NISRA Census 2021 · 2021

19.1% of households in Swansea rented from a council or housing association at the census.

In Wales the figure is 16.5%.

Against Wales
16% higher16.5%
Social rented homes: Swansea among every council361 areas from 5.5% to 40.5%. The middle area is 14.6%. Swansea is 19.1%.

Degree-level qualifications

CouncilEngland, Wales and Northern Ireland only
32.8%
ONS Census 2021 and NISRA Census 2021 · 2021

32.8% of residents aged 16 and over in Swansea had a degree-level qualification at the census.

In Wales the figure is 31.5%.

Against Wales
4% higher31.5%
Degree-level qualifications: Swansea among every council329 areas from 18.2% to 74.2%. The middle area is 31.8%. Swansea is 32.8%.

Asian, Asian British or Asian Welsh

CouncilEngland and Wales only
4.4%
ONS Census 2021 · 2021

4.4% of residents in Swansea identified with the Asian, Asian British or Asian Welsh ethnic group.

In Wales the figure is 2.9%.

Against Wales
1.5 times2.9%
Asian, Asian British or Asian Welsh: Swansea among every council318 areas from 0.3% to 47.3%. The middle area is 3.6%. Swansea is 4.4%.

Black, Black British, Black Welsh, Caribbean or African

CouncilEngland and Wales only
1.2%
ONS Census 2021 · 2021

1.2% of residents in Swansea identified with the Black, Black British, Black Welsh, Caribbean or African ethnic group.

In Wales the figure is 0.9%.

Against Wales
33% higher0.9%
Black, Black British, Black Welsh, Caribbean or African: Swansea among every council318 areas from 0.1% to 26.8%. The middle area is 1.1%. Swansea is 1.2%.

Mixed or Multiple ethnic groups

CouncilEngland and Wales only
1.6%
ONS Census 2021 · 2021

1.6% of residents in Swansea identified with a Mixed or Multiple ethnic group.

In Wales the figure is 1.6%.

Against Wales
About the same1.6%
Mixed or Multiple ethnic groups: Swansea among every council318 areas from 0.7% to 8.1%. The middle area is 2.2%. Swansea is 1.6%.

Other ethnic group

CouncilEngland and Wales only
1.4%
ONS Census 2021 · 2021

1.4% of residents in Swansea identified with another ethnic group, including Arab.

In Wales the figure is 0.9%.

Against Wales
1.6 times0.9%
Other ethnic group: Swansea among every council318 areas from 0.2% to 13.5%. The middle area is 0.9%. Swansea is 1.4%.

White ethnic groups

CouncilEngland and Wales only
91.4%
ONS Census 2021 · 2021

91.4% of residents in Swansea identified with a White ethnic group.

In Wales the figure is 93.8%.

Against Wales
3% lower93.8%
White ethnic groups: Swansea among every council318 areas from 30.8% to 98.2%. The middle area is 92.2%. Swansea is 91.4%.

Christian

CouncilEngland and Wales only
41.3%
ONS Census 2021 · 2021

41.3% of residents in Swansea said they were Christian.

In Wales the figure is 43.6%.

Against Wales
5% lower43.6%
Christian: Swansea among every council318 areas from 22.3% to 66.6%. The middle area is 47.9%. Swansea is 41.3%.

No religion

CouncilEngland and Wales only
47.3%
ONS Census 2021 · 2021

47.3% of residents in Swansea said they had no religion.

In Wales the figure is 46.5%.

Against Wales
2% higher46.5%
No religion: Swansea among every council318 areas from 10.6% to 56.7%. The middle area is 39.9%. Swansea is 47.3%.

Working mainly from home

CouncilEngland and Wales only
25.3%
ONS Census 2021 · 2021

25.3% of working residents in Swansea worked mainly from home in March 2021.

In Wales the figure is 25.6%.

Against Wales
1% lower25.6%
Working mainly from home: Swansea among every council318 areas from 10.6% to 67.3%. The middle area is 29.6%. Swansea is 25.3%.

Annual population change

Council
−0.5%
Worked out by Open Index · 2025

Swansea’s estimated population changed by −0.5% in the year to mid-2025.

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

Annual population change: Swansea among every council361 areas from −3.5% to 2.4%. The middle area is 0.4%. Swansea is −0.5%.