Merthyr Tydfil
TownTown in Merthyr Tydfil, Wales.
Merthyr Tydfil is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Merthyr Tydfil 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 53% of people in Merthyr Tydfil live in a 1 km square that the radon atlas marks as a radon Affected Area.
How Merthyr Tydfil compares
Each dot is a town. The black line marks the middle one.
Is Merthyr Tydfil safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Merthyr Tydfil at a rate of 125.2 per 1,000 people.
That compares with 96.7 per 1,000 people across Wales.
In August 2026 alone, 497 cases of crime and anti-social behaviour were recorded in Merthyr Tydfil.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,825), other crime (952) and anti-social behaviour (643).
A year earlier, the recorded crime rate in Merthyr Tydfil was 124.0 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 Merthyr Tydfil, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so Merthyr Tydfil has no single figure. Of its 25 neighbourhoods with a rank:
- Decile 1 (Wales’s most deprived 10%): 6 neighbourhoods
- Decile 2: 4 neighbourhoods
- Decile 3: 1 neighbourhood
- Decile 4: 4 neighbourhoods
- Decile 5: 1 neighbourhood
- Decile 6: 4 neighbourhoods
- Decile 7: 2 neighbourhoods
- Decile 8: 1 neighbourhood
- Decile 9: 1 neighbourhood
- 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 Merthyr Tydfil
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Merthyr Tydfil 002A | 1,510 | 95.4 per 1,000 | 2 | 87.2% |
| Merthyr Tydfil 002B | 1,575 | 37.8 per 1,000 | 6 | 88.5% |
| Merthyr Tydfil 002C | 1,816 | 122.6 per 1,000 | 4 | 98.8% |
| Merthyr Tydfil 002D | 1,728 | 132.3 per 1,000 | 2 | 88.6% |
| Merthyr Tydfil 002E | 1,553 | 70.2 per 1,000 | 7 | 99.4% |
| Merthyr Tydfil 002F | 1,172 | 72.4 per 1,000 | 4 | 100.0% |
| Merthyr Tydfil 003A | 2,080 | 51.9 per 1,000 | 6 | 84.5% |
| Merthyr Tydfil 003B | 1,669 | 21.8 per 1,000 | 10 | 95.6% |
| Merthyr Tydfil 003C | 1,225 | 66.8 per 1,000 | 5 | 97.6% |
| Merthyr Tydfil 003D | 1,423 | 106.7 per 1,000 | 7 | 92.0% |
| Merthyr Tydfil 003E | 1,934 | 84.4 per 1,000 | 6 | 81.1% |
| Merthyr Tydfil 004A | 1,842 | 113.6 per 1,000 | 1 | 95.3% |
| Merthyr Tydfil 004B | 1,681 | 349.2 per 1,000 | 4 | 96.6% |
| Merthyr Tydfil 004C | 1,514 | 294.3 per 1,000 | 1 | 76.4% |
| Merthyr Tydfil 004D | 1,701 | 497.8 per 1,000 | 2 | 43.7% |
| Merthyr Tydfil 005C | 1,745 | 42.7 per 1,000 | 4 | 97.5% |
| Merthyr Tydfil 005D | 1,481 | 64.7 per 1,000 | 6 | 98.0% |
| Merthyr Tydfil 005E | 1,534 | 60.2 per 1,000 | 9 | 92.6% |
| Merthyr Tydfil 005F | 1,436 | 32.3 per 1,000 | 8 | 86.3% |
| Merthyr Tydfil 008A | 1,692 | 246.9 per 1,000 | 1 | 92.2% |
| Merthyr Tydfil 008B | 1,737 | 102.4 per 1,000 | 1 | 91.1% |
| Merthyr Tydfil 008C | 1,913 | 114.9 per 1,000 | 1 | 98.9% |
| Merthyr Tydfil 008D | 1,253 | 140.1 per 1,000 | 1 | 100.0% |
| Merthyr Tydfil 008E | 1,301 | 55.9 per 1,000 | 2 | 86.7% |
| Merthyr Tydfil 008F | 1,462 | 71.5 per 1,000 | 3 | 84.8% |
Your MP
- Gerald JonesLabourMP for Merthyr Tydfil and Aberdare
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 Merthyr Tydfil2
Middle areas in Merthyr Tydfil5
Towns near Merthyr Tydfil6
Merthyr Tydfil in brief
Merthyr Tydfil is a town in Merthyr Tydfil, Wales.
About 39,706 people lived in Merthyr Tydfil in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £151,500 in 2025 across 424 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 125.2 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in Merthyr Tydfil was £151,500 in 2025.
Merthyr Tydfil had 39,542 usual residents at the census.
About 53% of people in Merthyr Tydfil live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Merthyr Tydfil, 88.8% of homes and businesses could get gigabit-capable broadband in January 2026.