Photo: David Dixon · CC BY-SA 2.0Households in flats: 26%, a higher share than 92% of UK towns
The share of married adults and civil partners tops 83% of UK towns: 54%. On residents aged 15 to 24, Portishead sits lower than 84% of UK towns: 8.6%. This Somerset town had 26,351 residents in 11,505 households at the 2021 Census. Locally, 13% of households live in a terraced house.
Since 2011, Portishead has grown +12%, faster than 67% of UK towns
ONS mid-year estimates, each year indexed to mid-2011 = 100. Portishead’s figure is the small areas (2021 LSOAs) that make up the town.
People, mid-2011 = 100
Change by age, 2011 to 2024
About 24,600 people in 2011; 27,500 in 2024.
In one year, mid-2012 to mid-2013, the population rose by 640, the most of any year. Of the age groups, 65 and over changed most (+37%) and 30 to 44 least (−8%).
Portishead: 23% of residents are 65 or over, above 60% of UK towns
Share of residents in each five-year age band, Census 2021.
With a median age of 45.2, Portishead is older than 55% of UK towns. By way of comparison, 18% of residents are 65 or over across England’s towns. More residents are 45–49 than any other five-year age: 7.5% of residents. In South Petherton, the oldest of Somerset’s towns by this measure, it is 35%.
Median age of UK towns of 2,500+
■ Portishead, 45.2. The typical town is 44.4.
Broad ages · share of residents
Women and men · all residents
52% women, 48% men
About 94 men for every 100 women. Across England, 51% of residents are women. Women live longer than men, so towns with many older residents have more women.
Above 69% of UK towns: 9.7% of residents lived at another address a year earlier
What adults did at the 2021 Census (the ONS’s NS-SEC classes), and where residents lived a year earlier.
Adults by occupation class · residents 16 and over
Address a year before the Census
Residents who lived somewhere else a year earlier. The bar runs to 25%.
Managerial and professional jobs account for 46% of Portishead’s adults, routine and semi-routine work for 18%, against 33% and 24% across England’s towns. Across the comparison, 11% of residents lived at another address a year earlier across England’s towns. Locally, 4.8% of adults are full-time students.
Smaller households than 52% of UK towns: 2.3 people on average
Household make-up at the 2021 Census. Each square is 1% of households.
Against Somerset’s towns and England’s towns
People per household
England’s towns.
Households with dependent children are about as common here as across England’s towns: 29%. Locally, 30% of households are one person living alone.
A smaller share of households without a car or van than 72% of UK towns: 12%
Accommodation type and cars or vans per household, Census 2021. Owning and renting are on Cost of living.
Type of home
Cars or vans · share of households
The share of households in detached houses is 37%, against 21% across England’s towns. Across England’s towns, the share of households without a car or van is 24%.
A larger share of residents born outside the UK than 66% of UK towns: 8.3%
Country of birth, year of arrival and main language, Census 2021.
Born outside the UK, by region · share of all residents; the bar runs to 25%
When those born abroad arrived
Main language · residents aged 3 and over
Among residents born abroad, the largest groups were born in EU countries (4%) and in the Middle East and Asia (1.5%). The comparison figure for residents born outside the UK is 18% across England’s towns. Compared with other places, residents whose main language is English are scarce here: 97%, fewer than in nearly two thirds of UK towns. Since 2017: a fifth of those born abroad, against 21% across England’s towns.
Portishead: 45% of residents said they have no religion, above 76% of UK towns
How residents described themselves at the 2021 Census. Lines join the lowest and highest of the three figures.
Ethnic groups other than White British · all residents
White British, not charted: 91% of Portishead · Somerset’s towns 89% · England’s towns 73%.
Religion · all residents
Just over nine in ten residents describe themselves as White British, against 73% across England’s towns. Behind White British, the largest groups are Other White (4.9%), Mixed or multiple (1.9%) and Indian (0.4%). Residents who describe themselves as Christian are rarer here than in 65% of UK towns. Against that, 37% of residents said they have no religion across England’s towns.
Portishead ranks below 83% of UK towns on adults who have never married: 27%
Legal partnership status (residents 16 and over) and unpaid care (residents 5 and over), Census 2021.
Partnership status · residents 16 and over
Unpaid care given · share of residents 5 and over
524 residents give 50 hours or more of unpaid care each week. The benchmark for adults who have never married across England’s towns: 39%. Fewer unpaid carers than in just over four fifths of UK towns: 8.1%.
A degree-level qualification for 41% of adults
Highest qualification, residents 16 and over, Census 2021.
Highest qualification · residents 16 and over
With 41% of its adults qualified to degree level, Portishead compares with 34% across England’s towns; another 12% hold no qualification (18%).
From a median age of 38 in Long Ashton & Gordano to 52 in Portishead Redcliffe
The town’s 4 neighbourhoods (ONS middle-layer areas with 500+ residents inside it, named by the House of Commons Library), youngest first. Census 2021.
Portishead Redcliffe is the oldest area, with 30% aged 65 or over; Long Ashton & Gordano the youngest (median age 38). Families with children are most common in Long Ashton & Gordano (50% of households).
76th highest median age among 266 UK towns of 18,000 to 36,000
Median age, Census 2021. Hover a dot for its students and residents born abroad; click for its page.
Ages run from 31.1 in Egham to 56.2 in Rustington. Nearest to Portishead in age: Retford (45), St Austell (45), Hazel Grove (45.3) and Market Harborough (45.3).
Portishead and its 7 nearest towns: 4 of them are older
Nearby built-up areas coloured by median age, Census 2021. Tap a town for its page.
Health, work and homes have their own pages
What this data can and can’t tell you
- “Somerset’s towns” and “England’s towns” mean their built-up areas. Census comparisons pool every built-up area in Somerset (or England), summed the same way as Portishead’s figures, so households in open countryside are left out. The population trend compares with the whole county and nation.
- Estimates since 2021 are modelled. The ONS builds mid-year estimates from the Census, births, deaths and migration records. Portishead’s trend uses the small areas (2021 LSOAs) with most of their people inside it: 27,250 people in 2021, against 26,351 in the built-up area.
- Small counts are blurred. The ONS adds small random changes to Census counts to protect privacy, so the same total differs a little between tables, and the shares of a small town can move by a point or two.
Questions about Portishead’s residents
What is the population of Portishead?
The 2021 Census counted 26,351 people in Portishead’s built-up area. The ONS estimates the same small areas held 27,500 people in mid-2024, 12% more than in 2011.
What is the average age in Portishead?
The median age was 45.2 at the 2021 Census, older than 55% of UK towns. 8.6% of residents were 15 to 24 and 23% were 65 or over.
How diverse is Portishead?
91% of residents described themselves as White British in 2021, against 73% across England’s towns and 89% across Somerset’s towns. 8.3% were born outside the UK.
What religion are people in Portishead?
45% said they had no religion and 47% that they were Christian at the 2021 Census; 0.6% were Muslim and 5.8% didn’t answer.
Is Portishead good for families?
29% of households had dependent children in 2021, against 29% across England’s towns. Families are most common in Long Ashton & Gordano (50% of households). Schools are on Portishead’s schools page.
Sources: ONS Census 2021, output areas summed to the ONS 2022 built-up area (TS002, TS003, TS004, TS007A, TS008, TS015, TS017, TS019, TS021, TS029, TS030, TS039, TS044, TS045, TS062, TS067) · ONS mid-year population estimates for 2021 LSOAs, mid-2011 to mid-2024 · House of Commons Library MSOA names. All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.