Carmarthen
TownTown in Carmarthenshire, Wales.
Carmarthen is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Carmarthen add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.
Radon Affected Area by town
Worked out by Open Index · 2022
About 100% of people in Carmarthen live in a 1 km square that the radon atlas marks as a radon Affected Area.
How Carmarthen compares
Each dot is a town. The black line marks the middle one.
Is Carmarthen safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Carmarthen at a rate of 162.9 per 1,000 people.
That compares with 96.7 per 1,000 people across Wales.
In August 2026 alone, 229 cases of crime and anti-social behaviour were recorded in Carmarthen.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,230), other crime (474) and shoplifting (284).
A year earlier, the recorded crime rate in Carmarthen was 158.2 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in Carmarthen, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so Carmarthen has no single figure. Of its 11 neighbourhoods with a rank:
- Decile 2: 1 neighbourhood
- Decile 3: 2 neighbourhoods
- Decile 5: 2 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 1 neighbourhood
- Decile 8: 3 neighbourhoods
- Decile 10 (Wales’s least deprived 10%): 1 neighbourhood
Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.
Neighbourhoods in Carmarthen
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Carmarthenshire 006A | 1,671 | 92.1 per 1,000 | 5 | 92.0% |
| Carmarthenshire 006B | 1,880 | 82.5 per 1,000 | 8 | 82.5% |
| Carmarthenshire 006C | 1,970 | 81.5 per 1,000 | 7 | 91.2% |
| Carmarthenshire 007A | 1,388 | 105.1 per 1,000 | 3 | 94.2% |
| Carmarthenshire 007B | 1,150 | 151.0 per 1,000 | 2 | 86.7% |
| Carmarthenshire 007C | 1,521 | 134.4 per 1,000 | 6 | 91.6% |
| Carmarthenshire 007D | 1,229 | 122.3 per 1,000 | 10 | 60.7% |
| Carmarthenshire 008A | 2,063 | 443.5 per 1,000 | 3 | 70.5% |
| Carmarthenshire 008B | 1,761 | 129.4 per 1,000 | 8 | 85.1% |
| Carmarthenshire 008C | 1,128 | 163.6 per 1,000 | 5 | 55.9% |
| Carmarthenshire 008D | 1,499 | 140.0 per 1,000 | 8 | 45.8% |
Your MP
- Ann DaviesPlaid CymruMP for Caerfyrddin
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Council1
Postcode districts covering Carmarthen1
Middle areas in Carmarthen3
Towns near Carmarthen4
Carmarthen in brief
Carmarthen is a town in Carmarthenshire, Wales.
About 16,868 people lived in Carmarthen in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £225,000 in 2025 across 229 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 162.9 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in Carmarthen was £225,000 in 2025.
Carmarthen had 16,448 usual residents at the census.
About 100% of people in Carmarthen live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Carmarthen, 78.2% of homes and businesses could get gigabit-capable broadband in January 2026.