People and census in Dorset
Unitary authorityThe south east of the South West. 391,036 people in 2,491 square kilometres.
24 layers about people and census for Dorset, each at the level its publisher released it, with its own date and source.
Population by output area
Census 2021, England and Wales
Dorset’s 1,284 output areas range from 100 to 999.
What is the population of Dorset?
Dorset had 379,579 usual residents at the census.
Dorset is the 22nd most populated of 361 in the UK.
Population
CouncilDorset had 379,579 usual residents at the census.
Dorset is the 22nd most populated of 361 in the UK.
Population estimate
CouncilDorset’s population was an estimated 391,036 in mid-2025.
The population rose 0.4% in the year to mid-2025.
Dorset is 22nd most populated of 361 for population.
Aged 15 to 64
Council56.3% of residents in Dorset were aged 15 to 64 at the census.
In South West the figure is 61.8%.
- Against South West
- 9% lower61.8%
Aged 65 and over
Council29.6% of residents in Dorset were aged 65 or over at the census.
In South West the figure is 22.3%.
- Against South West
- 33% higher22.3%
Aged under 15
Council14.1% of residents in Dorset were aged under 15 at the census.
In South West the figure is 15.9%.
- Against South West
- 11% lower15.9%
Born outside the UK
Council6.5% of residents in Dorset were born outside the UK.
In South West the figure is 10.2%.
- Against South West
- 36% lower10.2%
Disability
Council19.8% of residents in Dorset had their day-to-day activities limited by a long-term health problem or disability.
In South West the figure is 18.6%.
- Against South West
- 6% higher18.6%
Good or very good health
Council80.7% of residents in Dorset said their health was good or very good.
In South West the figure is 81.8%.
- Against South West
- 1% lower81.8%
Households
CouncilDorset had 169,261 households at the census.
Dorset is 21st highest of 361 for the number of households.
Households without a car or van
Council13.7% of households in Dorset had no car or van at the census.
In South West the figure is 16.8%.
- Against South West
- 18% lower16.8%
Owner-occupied homes
Council71.4% of households in Dorset owned their home at the census.
In South West the figure is 67.0%.
- Against South West
- 7% higher67.0%
Population density
CouncilDorset had 152 people per square kilometre at the census.
In South West the figure is 239 per km².
Worked out by Open Index from census population counts and the area of each place.
- Against South West
- 36% lower239 per km²
Private rented homes
Council16.3% of households in Dorset rented privately at the census.
In South West the figure is 19.7%.
- Against South West
- 17% lower19.7%
Social rented homes
Council12.3% of households in Dorset rented from a council or housing association at the census.
In South West the figure is 13.3%.
- Against South West
- 8% lower13.3%
Degree-level qualifications
CouncilEngland, Wales and Northern Ireland only31.5% of residents aged 16 and over in Dorset had a degree-level qualification at the census.
In South West the figure is 33.1%.
- Against South West
- 5% lower33.1%
Asian, Asian British or Asian Welsh
CouncilEngland and Wales only1.1% of residents in Dorset identified with the Asian, Asian British or Asian Welsh ethnic group.
In South West the figure is 2.8%.
- Against South West
- 61% lower2.8%
Black, Black British, Black Welsh, Caribbean or African
CouncilEngland and Wales only0.3% of residents in Dorset identified with the Black, Black British, Black Welsh, Caribbean or African ethnic group.
In South West the figure is 1.2%.
- Against South West
- 75% lower1.2%
Mixed or Multiple ethnic groups
CouncilEngland and Wales only1.2% of residents in Dorset identified with a Mixed or Multiple ethnic group.
In South West the figure is 2.0%.
- Against South West
- 40% lower2.0%
Other ethnic group
CouncilEngland and Wales only0.4% of residents in Dorset identified with another ethnic group, including Arab.
In South West the figure is 0.9%.
- Against South West
- 56% lower0.9%
White ethnic groups
CouncilEngland and Wales only97.1% of residents in Dorset identified with a White ethnic group.
In South West the figure is 93.1%.
- Against South West
- 4% higher93.1%
Christian
CouncilEngland and Wales only51.6% of residents in Dorset said they were Christian.
In South West the figure is 46.2%.
- Against South West
- 12% higher46.2%
No religion
CouncilEngland and Wales only40.1% of residents in Dorset said they had no religion.
In South West the figure is 44.1%.
- Against South West
- 9% lower44.1%
Working mainly from home
CouncilEngland and Wales only28.2% of working residents in Dorset worked mainly from home in March 2021.
In South West the figure is 30.4%.
- Against South West
- 7% lower30.4%
Annual population change
CouncilDorset’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 West
- About the same0.4%
- Against the UK
- 33% higher0.3%