Photo: Chris Downer · CC BY-SA 2.0Half of Sudbrook is under 35, younger than 96% of UK towns
The share of one-person households is 18%, against 32% across Wales’s towns. Few places have as many households in terraced houses: 51% here, more than in 98% of UK towns. Census day 2021: 628 residents and 254 households in Sudbrook. Adults who have never married account for 42%.
Only 11% of residents are 65 or over in Sudbrook
Share of residents in each five-year age band, Census 2021.
The biggest five-year age group is 25–29, with 16% of residents, 2.5 times the share across Wales’s towns. Set beside that, 21% of residents are 65 or over across Wales’s towns. The share of residents aged 15 to 24 stands at 7.3%.
Broad ages · share of residents
Women and men · all residents
50% women, 50% men
About an even split. Across Wales, 51% of residents are women.
Below 91% of UK towns: 3.7% of adults are full-time students
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%.
17% of residents lived at another address a year earlier (Wales’s towns: 9.1%). Set beside that, 8% of adults are full-time students across Wales’s towns.
2.4 people per household, more than in 78% of UK towns
Household make-up at the 2021 Census. Each square is 1% of households.
Against Gwent’s towns and Wales’s towns
People per household
Wales’s towns.
Against a figure of 27% across Wales’s towns, the share of households with dependent children in Sudbrook comes in at 29%. Shared households of unrelated adults account for 2.8%.
Sudbrook sits below 99% of UK towns for households without a car or van (3%)
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
Compared with 14% across Wales’s towns, 5% of households live in a flat or apartment here. The share of households without a car or van across Wales’s towns is 21%. Here, just over a quarter of households live in a detached house.
In Sudbrook, 4.2% of residents were born outside the UK, fewer than in 76% of UK towns
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 10%
Main language · residents aged 3 and over
Residents born abroad were most often born in EU countries (2.4%), then in the Americas, Oceania and elsewhere (1.1%). By way of comparison, 7.4% of residents were born outside the UK across Wales’s towns. Sudbrook has more residents whose main language is English than 70% of UK towns, at 98%.
Welsh is spoken by 8.9% of Sudbrook’s residents
Welsh language skills, residents aged 3 and over, Census 2021.
Welsh language skills · residents aged 3 and over
Some 53 people here aged 3 and over said in 2021 that they can speak Welsh, 8.9% of the total, against 16% across Welsh towns: fewer than in 80% of them. Abertridwr and Senghenydd leads Gwent with 14%.
No religion: 54% of residents, a higher share than 97% 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: 95% of Sudbrook · Gwent’s towns 91% · Wales’s towns 90%.
Religion · all residents
43% of residents describe themselves as Christian across Wales’s towns, against 40% in Sudbrook. Compared with other places, residents who describe themselves as White British are common here: 95%, more than in 74% of UK towns. To put it in context, 47% of residents said they have no religion across Wales’s towns. Next after White British come Mixed or multiple (2.2%), Other White (2.1%) and Arab (0.3%).
Married adults and civil partners make up 46% in Sudbrook, less than in 62% of UK towns
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
Unpaid carers giving 50 hours or more a week: 12. The wider picture: 43% of adults are married or in a civil partnership across Wales’s towns. 9.3% of residents give unpaid care, a lower share than in 53% of UK towns.
Degree level: the highest qualification of 37% of adults
Highest qualification, residents 16 and over, Census 2021.
Highest qualification · residents 16 and over
With 37% of its adults qualified to degree level, Sudbrook compares with 31% across Wales’s towns; another 9.2% hold no qualification (20%).
Median age: 6 of the 7 towns around Sudbrook are older
Nearby built-up areas coloured by median age, Census 2021. Tap a town for its page.
| Town | People | Away | Median age | 65+ | Homes with children |
|---|---|---|---|---|---|
| Sudbrook | 628 | — | 35 | 11% | 29% |
| Portskewett | 1,627 | 0.6 mi | 51.7 | 28% | 22% |
| Caldicot | 9,813 | 1.8 mi | 45 | 24% | 28% |
| Caer-went | 1,523 | 2.7 mi | 45.4 | 21% | 30% |
| Severn Beach | 2,208 | 2.8 mi | 44 | 22% | 26% |
| Rogiet | 1,791 | 2.8 mi | 41.1 | 16% | 32% |
| Pilning | 1,400 | 3.6 mi | 45 | 20% | 28% |
| Beachley | 1,120 | 3.6 mi | 29 | 18% | 35% |
Health, work and homes have their own pages
What this data can and can’t tell you
- “Gwent’s towns” and “Wales’s towns” mean their built-up areas. Census comparisons pool every built-up area in Gwent (or Wales), summed the same way as Sudbrook’s figures, so households in open countryside are left out.
- 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 Sudbrook’s residents
What is the population of Sudbrook?
The 2021 Census counted 628 people in Sudbrook’s built-up area.
What is the average age in Sudbrook?
The median age was 35 at the 2021 Census. 7.3% of residents were 15 to 24 and 11% were 65 or over.
How diverse is Sudbrook?
95% of residents described themselves as White British in 2021, against 90% across Wales’s towns and 91% across Gwent’s towns. 4.2% were born outside the UK.
What religion are people in Sudbrook?
54% said they had no religion and 40% that they were Christian at the 2021 Census; 0% were Muslim and 5.9% didn’t answer.
Is Sudbrook good for families?
29% of households had dependent children in 2021, against 27% across Wales’s towns. Schools are on Sudbrook’s schools page.
How many people speak Welsh in Sudbrook?
53 residents aged 3 and over, 8.9%, said they can speak Welsh at the 2021 Census, against 16% across Welsh towns.
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, TS032). 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.