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LL78 8

Postcode sector

16 live postcodes, all in Isle of Anglesey.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Isle of Anglesey. Open the map at LL78 8 for neighbourhoods and points. Open the map at LL78 8

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Deprivation by neighbourhood

Welsh Index of Multiple Deprivation 2025

Most deprived 10%Least

6 of Isle of Anglesey’s 41 neighbourhoods are in Wales’s most deprived 20%.

Isle of Anglesey, the council that holds 100% of LL78 8

Average house price
£231,943
Down 0.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£35,709
85th lowest of 348
ONS earnings survey · 2025
House price to pay
6.5×
128th most affordable of 348
Worked out by Open Index
Population
68,878
18th lowest of 361
ONS Census 2021 · 2021

Everything about Isle of Anglesey

Postcodes in LL78 8