What is the population of Carmarthenshire?

The population of Carmarthenshire is 187,568.

Where is Carmarthenshire located?

Carmarthenshire is located at latitude 51.8333300 and longitude -4.1666700. It is in United Kingdom.

What is the area of Carmarthenshire?

The area of Carmarthenshire is 2370.3053 km².

What time zone is Carmarthenshire in?

Carmarthenshire is in the Europe/London time zone.

How has the population of Carmarthenshire changed?

The population of Carmarthenshire has increased from 172,831 (2001) to 187,568 (2018), a change of 8.5%.

Sir Gaerfyrddin (Carmarthenshire), Wales

Sir Gaerfyrddin: principal area in south-west Wales.

County Snapshot

Carmarthenshire at a glance

Carmarthenshire currently has 1 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Wales counties

Open related pages

Largest city

Saint Clears

Population 1,605

Quick Facts about Carmarthenshire

Population	187,568
Country	United Kingdom
State	Wales (United Kingdom)
Different from	Carmarthenshire
Area	2370.31 km²
Latitude & Longitude	51.8333,-4.1667
Capital	Carmarthen
Time Zone	Europe/London
Local time	18:06:36 (23rd September 2026)

Geography

Carmarthenshire is located at 51°49'60"N 4°10'0"W (51.8333300, -4.1666700). It has 5 neighbors: Sir Powys, Pembrokeshire, County of Ceredigion, Neath Port Talbot and City and County of Swansea.

Sir Gaerfyrddin map

Click "full screen"

icon to open full mode. View satellite images

Official website of Carmarthenshire

Official Website

Carmarthenshire has 5 neighbours.

Sir Powys principal area and preserved county in mid-Wales, United Kingdom.
Pembrokeshire principal area in south-west Wales, United Kingdom.
County of Ceredigion principal area in mid-Wales, corresponding to the historic county of Cardiganshire.
Neath Port Talbot county borough and one of the unitary authority areas of Wales, United Kingdom.
City and County of Swansea principal area in south-west Wales, United Kingdom.

Abergwili
Betws
Abernant
Ammanford

Demographics

Year	Population	% Change	Method
2001	172,831	-	United Kingdom Census 2001
2011	183,777	6.33%	United Kingdom Census 2011
2018	187,568	2.06%	estimation process

CMN, Caerfyrddin, Carmarthen, County of Carmarthenshire, Karmartenshir, Karmartensyras, Karmartenšyras, Karmartunshur, Sir Gar, ka ma sen jun, kamadeonsyeo ju, kamazensha, Кармартеншир, Кармартъншър, カーマーゼンシャー, 卡马森郡, 카마던셔 주