SA31 9

Postcode sector

19 live postcodes, all in Carmarthenshire.

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 Carmarthenshire. Open the map at SA31 9 for neighbourhoods and points. Open the map at SA31 9

Your MP

Ann DaviesPlaid CymruMP for Caerfyrddin

As of 18 October 2026, from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

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Deprivation by neighbourhood

Welsh Index of Multiple Deprivation 2025

Most deprived 10%Least

13 of Carmarthenshire’s 111 neighbourhoods are in Wales’s most deprived 20%.

Carmarthenshire, the council that holds 100% of SA31 9

Average house price

£199,025

Up 6.0% in a year

HM Land Registry · Jul 2026

Median full-time pay

£37,405

138th lowest paid of 348

ONS earnings survey · 2025

House price to pay

5.3×

54th most affordable of 348

Worked out by Open Index

Population estimate

190,037

Down 0.2% in a year

ONS population estimates · 2025

Everything about Carmarthenshire

Postcodes in SA31 9

SA31 9BFCarmarthenshire
SA31 9BPCarmarthenshire
SA31 9BUCarmarthenshire
SA31 9BWCarmarthenshire
SA31 9BYCarmarthenshire
SA31 9DLCarmarthenshire
SA31 9DNCarmarthenshire
SA31 9DPCarmarthenshire
SA31 9DQCarmarthenshire
SA31 9DRCarmarthenshire
SA31 9ERCarmarthenshire
SA31 9FYCarmarthenshire
SA31 9GACarmarthenshire
SA31 9GBCarmarthenshire
SA31 9GDCarmarthenshire
SA31 9GECarmarthenshire
SA31 9SACarmarthenshire
SA31 9SBCarmarthenshire
SA31 9ZZCarmarthenshire