Dewi
WardNorth Gwynedd. About 2,101 people (mid-2024 estimate) in 1.1 square kilometres.
Radon Affected Area by ward
Worked out by Open Index · 2022
About 100% of people in Dewi live in a 1 km square that the radon atlas marks as a radon Affected Area.
How Dewi compares
Each dot is a ward. The black line marks the middle one.
Is Dewi safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Dewi at a rate of 191.3 per 1,000 people.
That compares with 88.8 per 1,000 people across Gwynedd.
Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.
In August 2026 alone, 54 cases of crime and anti-social behaviour were recorded in Dewi.
In the 12 months to August 2026, the most common types were shoplifting (170), violence and sexual offences (78) and anti-social behaviour (66).
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.
Figures for the whole of Gwynedd
These figures are published for the whole of Gwynedd, not for each ward, so they describe all of Gwynedd and not Dewi alone. See Gwynedd
Dewi in brief
Dewi had 2,001 usual residents at the census.
About 100% of people in Dewi live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Dewi, 96.9% of homes and businesses could get gigabit-capable broadband in January 2026.
In Dewi, 2.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.