Compare

SA3 4

Postcode sector

242 live postcodes, all in Swansea.

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 Swansea. Open the map at SA3 4 for neighbourhoods and points. Open the map at SA3 4

Your MP

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Open in map

Deprivation by neighbourhood

Welsh Index of Multiple Deprivation 2025

Most deprived 10%Least

34 of Swansea’s 150 neighbourhoods are in Wales’s most deprived 20%.

Swansea, the council that holds 100% of SA3 4

Average house price
£205,383
Down 0.2% in a year
HM Land Registry · Jul 2026
Median full-time pay
£36,586
111th lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.6×
65th most affordable of 348
Worked out by Open Index
Population estimate
249,429
Down 0.5% in a year
ONS population estimates · 2025

Everything about Swansea

Postcodes in SA3 4