Isle of Anglesey
Isle of Anglesey has 68,878 residents in 30,824 households (Census 2021); 14% are aged 15–29 and 31% of households rent their home. Over the past two years homes sold for a median of £225,000, from £130,000 in Tref Cybi to £296,250 in Seiriol.
Six maps of Isle of Anglesey.
Every dot is a residential postcode. Each map uses the same colour scale, from lowest to highest.
Sources: ONS Postcode Directory, Aug 2026 · HM Land Registry Price Paid Data · © OpenStreetMap contributors · Welsh Index of Multiple Deprivation 2025, Welsh Government · data.police.uk · Ofcom Connected Nations 2025
All 14 wards at a glance.
Colour shows where each ward sits among Isle of Anglesey's wards for that measure, from lowest to highest. Select a ward for its full report.
| Ward | Median price | Green 500 m | Services 15 min | Aged 15–29 | Owner-occupied | Flats | Nearest tram or rail | Gigabit | Crime per 1,000 |
|---|---|---|---|---|---|---|---|---|---|
| Aethwy | £235k | 13% | 26 | 15% | 74% | 6% | 1.8 km | 56% | 62 |
| Bodowyr | £185k | 15% | 7 | 15% | 72% | 1% | 4.5 km | 33% | 66 |
| Bro Aberffraw | £228k | 26% | 4 | 12% | 67% | 1% | 3.5 km | 63% | 50 |
| Bro'r Llynnoedd | £216k | 19% | 13 | 16% | 67% | 3% | 2.6 km | 62% | 28 |
| Canolbarth Môn | £218k | 30% | 4 | 16% | 61% | 8% | 7.8 km | 44% | 93 |
| Cefni | £265k | 25% | 5 | 12% | 73% | 8% | 6.9 km | 59% | 76 |
| Crigyll | £240k | 43% | 7 | 14% | 71% | 2% | 1.7 km | 22% | 69 |
| Lligwy | £265k | 22% | 9 | 10% | 79% | 3% | 11.2 km | 35% | 51 |
| Parc a'r Mynydd | £193k | 15% | 90 | 17% | 65% | 8% | 998 m | 96% | 85 |
| Seiriol | £296k | 19% | 11 | 12% | 74% | 3% | 5.4 km | 48% | 39 |
| Talybolion | £212k | 31% | 1 | 14% | 72% | 1% | 10.9 km | 61% | 54 |
| Tref Cybi | £130k | 13% | 97 | 19% | 45% | 12% | 504 m | 95% | 189 |
| Twrcelyn | £200k | 16% | 6 | 14% | 69% | 2% | 17.0 km | 52% | 65 |
| Ynys Gybi | £207k | 23% | 42 | 14% | 64% | 8% | 1.1 km | 74% | 117 |
Sources: Census 2021 · HM Land Registry Price Paid Data, sales to 28 Aug 2026 · © OpenStreetMap contributors · data.police.uk
Prices.
Quarterly median of all standard residential sales in Isle of Anglesey. The latest quarter is still being registered.
Source: HM Land Registry Price Paid Data, sales to 28 Aug 2026
Safety.
Police recorded 5,069 crimes and incidents in Isle of Anglesey in the 12 months to Aug 2026, 74 per 1,000 residents.
Police.uk records crimes by approximate location, not by where victims or offenders live. Busy streets, shops, stations and nightlife record more. Figures are counts, not a measure of personal risk.
Source: data.police.uk street-level crime, North Wales Police (Open Government Licence v3.0)
Road safety.
Injury collisions reported to the police in Isle of Anglesey each year, 2021–2025: 97 of them with a serious or fatal injury.
Counts include only collisions involving personal injury that were reported to the police. Most happen on main roads and at junctions, so a count near a postcode reflects the traffic passing through, not the risk of any one journey.
Source: Department for Transport, STATS19 road safety data (Open Government Licence v3.0)
Food hygiene.
Food businesses in Isle of Anglesey with a published hygiene rating.
Council food safety officers rate businesses from 0 (urgent improvement necessary) to 5 (very good) for hygiene, the state of the premises and how food safety is managed. A rating reflects the standards found on the day of inspection, not the quality of the food.
Source: Food Standards Agency, food hygiene rating data as of 26 October 2026 (Open Government Licence)
Broadband.
Share of homes in Isle of Anglesey that can get each type of fixed broadband, July 2025.
Source: Ofcom Connected Nations 2025, fixed broadband coverage of residential premises, July 2025. © Ofcom copyright
Deprivation, in context.
2 of Isle of Anglesey's 41 neighbourhoods are in the most deprived tenth of Wales on the 2025 index.
The Welsh Index of Multiple Deprivation 2025 ranks 1,917 small areas in Wales from 1 (most deprived 10%) to 10 (least deprived). It is ranked within Wales only and cannot be compared with the English index. It describes areas, not every household in them.
Source: Welsh Index of Multiple Deprivation 2025, Welsh Government
Wards of Isle of Anglesey.
Every ward has its own page with all of its postcodes.