Population density map in Wales from the 2011 census.The following is a list of built-up areas in Wales by population according to the 2021 and 2011 Census.
2021
This is a list of built-up areas as of the 2021 census.[1]
Over 9,000
| Built-up area
|
Welsh name
|
Population
|
| Cardiff |
Caerdydd |
348,535
|
| Swansea |
Abertawe |
170,085
|
| Newport |
Casnewydd |
130,890
|
| Barry |
Y Barri |
56,605
|
| Bridgend |
Pen-y-bont |
51,760
|
| Cwmbran |
Cwmbrân |
47,090
|
| Wrexham |
Wrecsam |
44,785
|
| Llanelli |
Llanelli |
42,155
|
| Neath |
Castell-nedd |
40,730
|
| Merthyr Tydfil |
Merthyr Tudful |
39,535
|
| Aberdare |
Aberdâr |
37,675
|
| Caerphilly |
Caerffili |
33,105
|
| Pontypridd |
Pontypridd |
31,900
|
| Port Talbot |
Port Talbot |
31,555
|
| Colwyn Bay |
Bae Colwyn |
29,275
|
| Pontypool |
Pont-y-pŵl |
29,070
|
| Penarth |
Penarth |
28,395
|
| Rhyl |
Y Rhyl |
26,990
|
| Ebbw Vale |
Glynebwy |
19,630
|
| Maesteg |
Maesteg |
18,335
|
| Tonypandy |
Tonypandy |
17,210
|
| Bangor |
Bangor |
16,990
|
| Connah's Quay |
Cei Connah |
16,770
|
| Prestatyn |
Prestatyn |
16,675
|
| Carmarthen |
Caerfyrddin |
16,455
|
| Porthcawl |
Porthcawl |
15,795
|
| Conwy |
Conwy |
15,715
|
| Risca |
Rhisga |
15,195
|
| Llandudno |
Llandudno |
14,710
|
| Aberystwyth |
Aberystwyth |
14,640
|
| Tredegar |
Tredegar |
14,530
|
| Hawarden |
Penarlâg |
14,280
|
| Milford Haven |
Aberdaugleddau |
14,250
|
| Church Village |
Pentre'r Eglwys |
14,155
|
| Gorseinon |
Gorseinon |
14,110
|
| Pyle |
Y Pîl |
14,075
|
| Abergavenny |
Y Fenni |
13,695
|
| Buckley |
Bwcle |
13,560
|
| Porth |
Y Porth |
13,350
|
| Rhondda |
Cwm Rhondda |
13,265
|
| Mountain Ash |
Aberpennar |
13,000
|
| Rhosllanerchrugog |
Rhosllanerchrugog |
12,785
|
| Flint |
Y Fflint |
12,780
|
| Blackwood |
Coed Duon |
12,620
|
| Haverfordwest |
Hwlffordd |
12,085
|
| Chepstow |
Cas-gwent |
11,935
|
| Sarn |
Sarn |
11,870
|
| Ystrad Mynach |
Ystrad Mynach |
11,855
|
| Holyhead |
Caergybi |
11,755
|
| Tonyrefail |
Tonyrefail |
11,440
|
| Newtown (Powys) |
Y Drenewydd |
10,885
|
| Baglan |
Baglan |
10,510
|
| Monmouth |
Trefynwy |
10,325
|
| Abertillery |
Abertyleri |
10,245
|
| Mold |
Yr Wyddgrug |
9,890
|
| Caernarfon |
Caernarfon |
9,835
|
| Caldicot |
Cil-y-coed |
9,815
|
| Pembroke Dock |
Doc Penfro |
9,655
|
| Pontllanfraith |
Pontllanfraith |
9,360
|
| Brynteg (Wrexham) |
Bryn-teg |
9,225
|
| Pencoed |
Pen-coed |
9,115
|
| Kinmel Bay |
Bae Cinmel |
9,020
|
Under 9,000
| Built-up area
|
Population
|
| Abergele |
8,535
|
| Clydach (Swansea) |
8,445
|
| Ammanford |
8,285
|
| Brecon |
8,255
|
| Llanharan and Brynna |
8,105
|
| Denbigh |
8,075
|
| Bargoed |
8,035
|
| Pembroke |
7,965
|
| Dinas Powys |
7,890
|
| Ystalyfera |
7,830
|
| Holywell (Flintshire) |
7,735
|
| Treorchy |
7,650
|
| Newbridge |
7,585
|
| Rogerstone |
7,550
|
| Abersychan |
7,495
|
| Gowerton |
7,445
|
| Beddau |
7,350
|
| Caerleon |
7,330
|
| Gwersyllt |
7,110
|
| Acrefair and Cefn Mawr |
6,905
|
| Rhoose |
6,780
|
| Broughton (Flintshire) |
6,530
|
| Pontarddulais |
6,515
|
| Shotton |
6,500
|
| Bedwas |
6,460
|
| Abercynon |
6,375
|
| Cross Hands and Pen-y-groes |
6,340
|
| Oakdale |
6,130
|
| Bagillt |
5,945
|
| Pontyclun |
5,800
|
| Undy and Magor |
5,740
|
| Ruthin |
5,700
|
| Abertridwr and Senghenydd |
5,640
|
| Blaenavon |
5,640
|
| Pontardawe |
5,540
|
| Welshpool |
5,455
|
| Llandrindod Wells |
5,430
|
| Treherbert |
5,425
|
| Llantwit Major |
5,345
|
| Llangefni |
5,260
|
| Brynmawr |
5,250
|
| Abercarn |
5,125
|
| Treharris |
5,045
|
| Rhymney |
4,995
|
| Burry Port |
4,965
|
| Gresford |
4,945
|
| Coedpoeth |
4,740
|
| Mynydd Isa |
4,735
|
| Llay |
4,665
|
| Loughor |
4,630
|
| Ynysybwl |
4,580
|
| Blaina |
4,555
|
| Nantyglo |
4,545
|
| Cwmafan (Cwmavon) |
4,525
|
| Hope (Flintshire) |
4,420
|
| Aberbargoed |
4,415
|
| Ferndale |
4,300
|
| Llangennech |
4,280
|
| Nelson (Caerphilly) |
4,240
|
| Llantrisant |
4,200
|
| Penrhyn Bay |
4,200
|
| Tenby |
4,090
|
| Tumble |
4,040
|
| Ystradgynlais |
4,030
|
| Chirk |
3,935
|
| Glynneath |
3,925
|
| Glanamman |
3,865
|
| Penyffordd |
3,825
|
| Rhuddlan |
3,790
|
| Penpedairheol |
3,785
|
| Troed-y-rhiw and Pentrebach |
3,775
|
| Cardigan |
3,765
|
| Llanbradach |
3,765
|
| Bethesda |
3,755
|
| Llanharry |
3,750
|
| Cowbridge |
3,645
|
| Pwllheli |
3,620
|
| Penllergaer |
3,580
|
| Taff's Well |
3,555
|
| Tylorstown and Pontygwaith |
3,550
|
| Llanfairfechan |
3,545
|
| Bishopston |
3,535
|
| St Asaph |
3,485
|
| Blaenau Ffestiniog |
3,450
|
| Fishguard |
3,420
|
| Ruabon |
3,410
|
| Eglwys Brewis |
3,300
|
| Talbot Green |
3,290
|
| New Tredegar |
3,285
|
| Neyland |
3,250
|
| Amlwch |
3,150
|
| Tywyn |
3,135
|
| Fleur-de-lis and Pengam |
3,100
|
| Ogmore Vale |
3,100
|
| Llangollen |
3,050
|
| Menai Bridge |
3,045
|
| Hendy and Fforest |
2,995
|
| Knighton |
2,910
|
| Langstone |
2,910
|
| Llanfairpwllgwyngyll |
2,905
|
| Aston (Flintshire) |
2,845
|
| Maerdy |
2,840
|
| Kidwelly |
2,765
|
| Penmaenmawr |
2,760
|
| Rhostyllen |
2,760
|
| Gwaun-Cae-Gurwen |
2,745
|
| Boverton |
2,740
|
| Alltwen |
2,720
|
| Tonna |
2,665
|
| Brynamman |
2,635
|
| Builth Wells |
2,620
|
| Dolgellau |
2,600
|
| Porthmadog |
2,575
|
| Llandybie |
2,560
|
| Rhos |
2,560
|
| Saundersfoot |
2,515
|
| Cwm |
2,505
|
| Lampeter |
2,505
|
| Tycroes |
2,480
|
| Llanrwst |
2,465
|
| Llanhilleth |
2,450
|
| Hendreforgan |
2,445
|
| Aberfan |
2,430
|
| Garden City |
2,425
|
| Pontycymer |
2,425
|
| Marshfield (Newport) |
2,385
|
| Nant-y-moel |
2,375
|
| Pentyrch |
2,375
|
| Narberth |
2,365
|
| Y Felinheli |
2,330
|
| Usk |
2,310
|
| Creigiau |
2,300
|
| Pen-y-fai |
2,300
|
| Bettws |
2,240
|
| Tanyfron |
2,230
|
| Merlin's Bridge |
2,220
|
| Llanidloes |
2,200
|
| Trimsaran |
2,190
|
| Gilwern |
2,185
|
| Cilfrew |
2,180
|
| Machynlleth |
2,160
|
| Resolven |
2,160
|
| Underwood |
2,135
|
| Crickhowell |
2,110
|
| Maesycwmmer |
2,095
|
| Pembrey |
2,095
|
| Benllech |
2,075
|
| Hay-on-Wye |
2,065
|
| Dyserth |
2,040
|
| Goodwick |
2,020
|
| Trelewis |
2,020
|
| Llanfoist |
2,005
|
| Valley |
2,005
|
| Meliden |
2,000
|
| Bala (Y Bala) |
1,990
|
| Barmouth |
1,985
|
| Machen |
1,985
|
| Rossett |
1,975
|
| Leeswood |
1,950
|
| Southgate |
1,935
|
| Presteigne |
1,930
|
| Whitland |
1,905
|
| Tongwynlais |
1,845
|
| Llanberis |
1,840
|
| Newcastle Emlyn |
1,840
|
| Rhayader |
1,835
|
| Pontlottyn |
1,830
|
| Northop Hall |
1,825
|
| Pentre Maelor |
1,815
|
| Penygroes |
1,795
|
| Rogiet |
1,790
|
| St Clears |
1,790
|
| Llandeilo |
1,785
|
| Blaengarw |
1,780
|
| Bodelwyddan |
1,780
|
| Johnston |
1,770
|
| Llanbadarn Fawr |
1,765
|
| Criccieth |
1,735
|
| Dunvant |
1,730
|
| Higher Kinnerton |
1,730
|
| Bryn (Carmarthenshire) |
1,725
|
| Swffryd |
1,720
|
| Trethomas |
1,715
|
| Sychdyn (Soughton) |
1,695
|
| Glan Conwy (Llansanffraid Glan Conwy) |
1,665
|
| Creunant |
1,660
|
| Penclawdd |
1,655
|
| Portskewett |
1,625
|
| St Athan |
1,595
|
| Llanrug |
1,535
|
| Gilfach Goch |
1,530
|
| Caerwent |
1,525
|
| Trinant |
1,505
|
| Pontyberem |
1,485
|
| Pont Rhyd-y-cyff |
1,480
|
| Pontyates |
1,475
|
| Three Crosses |
1,475
|
| Four Crosses (Powys) |
1,465
|
| Penrhyndeudraeth |
1,460
|
| Llandovery |
1,455
|
| Markham |
1,445
|
| Gelligaer |
1,435
|
| Abertysswg |
1,425
|
| Tir-y-berth and Glan-y-nant |
1,410
|
| Carway |
1,400
|
| Dwygyfylchi |
1,400
|
| Penperlleni |
1,395
|
| Trevor |
1,395
|
| Clwt-y-bont |
1,385
|
| Penrhyn-coch |
1,380
|
| Cefn Cribwr |
1,375
|
| Ogmore-by-Sea |
1,355
|
| Cwmfelinfach |
1,350
|
| Mynydd Marian |
1,350
|
| St Davids |
1,350
|
| Cwmllynfell and Ystradowen |
1,345
|
| Seven Sisters |
1,345
|
| Govilon |
1,340
|
| Pensarn |
1,330
|
| Llandysul |
1,320
|
| Bradley (Wrexham) |
1,315
|
| Pwll |
1,305
|
| Wooden |
1,300
|
| Croeserw |
1,295
|
| Nefyn |
1,290
|
| Gaerwen |
1,280
|
| Coedhirwaun |
1,270
|
| Harlech |
1,260
|
| Ponthir |
1,260
|
| Talgarth |
1,255
|
| Tregarth |
1,255
|
| Kilgetty |
1,245
|
| Bodedern |
1,195
|
| Llanybydder |
1,180
|
| Raglan |
1,175
|
| Penybanc |
1,165
|
| Guilsfield |
1,160
|
| Llannerch-y-medd |
1,155
|
| Grovesend |
1,150
|
| Capel Hendre |
1,145
|
| Fochriw |
1,145
|
| Wenvoe |
1,130
|
| Beaumaris |
1,120
|
| Llanfyllin |
1,120
|
| Borth |
1,115
|
| Wattstown |
1,105
|
| Bow Street |
1,100
|
| Bedlinog |
1,095
|
| Llanddulas |
1,095
|
| Bethel |
1,090
|
| Holt (Wrexham) |
1,085
|
| Pentre Halkyn |
1,080
|
| Aberporth |
1,075
|
| Cwmgwrach |
1,070
|
| Crundale |
1,065
|
| Pencader |
1,060
|
| New Quay |
1,045
|
| Aberaeron |
1,040
|
| Marchwiel |
1,040
|
| Llangynidr |
1,035
|
| Northop |
1,030
|
| Cemaes |
1,025
|
| Llangeinor |
1,015
|
| St Dogmaels |
1,015
|
| Llandegfan |
1,000
|
| Pont Henri |
990
|
| Ynysddu |
990
|
| Gronant |
985
|
| Cwmann |
975
|
| Cilgerran |
970
|
| Llanfair Caereinion |
970
|
| Montgomery |
965
|
| Crofty |
960
|
| Caerwys |
955
|
| Glyncorrwg |
955
|
| Treuddyn |
950
|
| Upper Killay |
935
|
| Trearddur |
930
|
| Trefnant |
930
|
| Waunfawr |
930
|
| Wick (Vale of Glamorgan) |
925
|
| Abermule |
920
|
| Gwernymynydd |
920
|
| Overton (Wrexham) |
910
|
| Saron (Llandybie) |
910
|
| Tircoed |
910
|
| Gwernaffield (Gwernaffield-y-Waun) |
905
|
| Llan Ffestiniog |
905
|
| Rachub |
895
|
| Mostyn |
890
|
| New Brighton |
890
|
| Craig-cefn-parc |
885
|
| Hook (Pembrokeshire) |
885
|
| Sageston |
885
|
| Llechryd |
880
|
| Tregaron |
880
|
| Ferryside |
865
|
| Tregynon |
865
|
| Broad Haven |
855
|
| Henllan |
855
|
| Llanbedrog |
840
|
| Llanddaniel Fab |
840
|
| Newborough (Isle of Anglesey) |
840
|
| Pen-y-ffordd |
840
|
| Castleton (Newport) |
835
|
| Letterston |
835
|
| Llannon (Carmarthenshire) |
835
|
| Cosheston |
830
|
| Glais |
830
|
| Groeslon |
825
|
| Pontrhydyfen |
825
|
| Abergwynfi |
820
|
| Bontnewydd |
820
|
| Llangwm |
820
|
| Llansantffraid-ym-Mechain |
815
|
| Nantgarw |
815
|
| Penally |
810
|
| Ystradowen |
805
|
| St Florence |
800
|
| Bwlchgwyn |
795
|
| Kerry |
795
|
| Pant-yr-Awel and Lewistown |
790
|
| Pwll-trap |
790
|
| Trelales |
790
|
| Forden |
785
|
| Rhosneigr |
785
|
| Bangor-on-Dee |
780
|
| Crymych |
780
|
| Pantymwyn |
775
|
| Templeton |
765
|
| Church Stoke |
755
|
| Clyro |
755
|
| St Brides Major |
755
|
| Dyffryn Ardudwy |
740
|
| Talysarn |
740
|
| Tremadog |
735
|
| Llanilar |
730
|
| Parc-Seymour |
730
|
| Penley |
730
|
| Abercraf (Abercrave) |
725
|
| Waungilwen |
720
|
| Dyffryn Cellwen |
715
|
| Bryn Du |
710
|
| Laugharne |
710
|
| Groes-faen |
705
|
| St. Arvans |
705
|
| Dwyran |
700
|
| Foelgastell |
695
|
| Flint Mountain |
690
|
| Garnant |
690
|
| Clynderwen (Clunderwen) |
685
|
| Fairbourne |
680
|
| Llanon |
665
|
| Minera |
665
|
| Brynsadler |
655
|
| Brynsiencyn |
655
|
| Solva |
655
|
| St Nicholas |
655
|
| Jameston |
645
|
| Lamphey |
645
|
| Tal-y-bont (Ceredigion) |
645
|
| Five Roads |
640
|
| Llanddona |
640
|
| Blackmill |
630
|
| Llangattock |
630
|
| Sudbrook |
630
|
| Trelogan |
630
|
| Lixwm |
625
|
| Rosemarket |
625
|
| Ystrad Aeron |
625
|
| Colwinston |
620
|
| Abersoch |
615
|
| Llanfechell |
615
|
| Cynwyd |
610
|
| Moelfre |
605
|
| Bryncrug |
600
|
| Froncysyllte |
600
|
| New Hedges and Twy Cross |
600
|
| Penysarn |
600
|
| Pontlliw |
595
|
| Efail Isaf |
590
|
| Deri |
585
|
| Bryn (Neath Port Talbot) |
570
|
| Caersws |
570
|
| Llangoed |
570
|
| Newport (Pembrokeshire) |
565
|
| Heol-y-Cyw |
560
|
| Llanwrtyd Wells |
560
|
| Bronllys |
550
|
| Rhostrehwfa |
550
|
| Rhosesmor |
545
|
| Aberdyfi (Aberdovey) |
540
|
| Llandinam |
535
|
| Nant-y-Patrick |
530
|
| Abergwili |
525
|
| Pentraeth |
525
|
| Brawdy |
520
|
| Rhydymwyn |
520
|
| Llwyngwril |
515
|
| Sennybridge |
515
|
| Cymmer |
510
|
| Ffairfach |
510
|
| Brynteg (Isle of Anglesey) |
505
|
| Ffynnongroew (Ffynnongroyw) |
495
|
| Dinas Cross |
485
|
| Llanarth (Ceredigion) |
485
|
| Penparc |
485
|
| Roch |
485
|
| Spittal (Pembrokeshire) |
480
|
| Argoed |
475
|
| Llandissilio |
475
|
| Morfa Bychan |
475
|
| Llandogo |
470
|
| Llangristiolus |
470
|
| Tal-y-bont (Gwynedd) |
470
|
| Hundleton |
460
|
| St Ishmaels |
455
|
| Ludchurch |
450
|
| Trefor |
450
|
| Bryngwran |
445
|
| Llanrhaeadr-ym-Mochnant |
445
|
| Glyn Ceiriog |
435
|
| Pentre Berw |
435
|
| Arddleen |
430
|
| Corntown |
430
|
| Corwen |
430
|
| Dolgarrog |
430
|
| Llangibby |
425
|
| Llangors |
425
|
| Morfa Nefyn |
425
|
| St Donats |
425
|
| Penrhyn-side |
420
|
| Bonvilston |
415
|
| Llanmaes |
415
|
| Blaenau and Cae'r-bryn |
410
|
| Llandevaud |
410
|
| Llansteffan |
410
|
| Reynoldston |
410
|
| Parc-llyn |
405
|
| South Cornelly |
400
|
| Cilcain |
395
|
| Broadstreet Common |
390
|
| Bryn Pydew |
390
|
| Catbrook |
385
|
| Gwalchmai |
385
|
| Caergeiliog |
380
|
| Norton (Powys) |
375
|
| Pontneddfechan |
375
|
| Talacre |
370
|
| Gwespyr |
365
|
| Rhosybol |
365
|
| The Narth |
365
|
| Bancffosfelen |
360
|
| Trefriw |
360
|
| Cribyn |
355
|
| Gorsedd |
355
|
| Llandre |
355
|
| Llanrhystud |
355
|
| Begelly |
350
|
| Llanllyfni |
350
|
| Peniel |
350
|
| Tallarn Green |
350
|
| Bwlch |
345
|
| Llangernyw |
345
|
| Crossgates (Powys) |
340
|
| Cwm-twrch Uchaf |
340
|
| Llanbedr |
340
|
| Tavernspite |
335
|
| Tintern |
335
|
| Llandygai |
330
|
| Clydach (Monmouthshire) |
325
|
| Simpson Cross |
325
|
| Waunllapria |
325
|
| Carmel |
320
|
| Mynydd-y-Garreg |
320
|
| Cenarth |
315
|
| Henfynyw |
315
|
| Trawsfynydd |
315
|
| Cross Inn |
310
|
| Llansannan |
310
|
| Pontrhydfendigaid |
310
|
| Rhostryfan |
310
|
| Three Cocks |
310
|
| Drefach |
305
|
| Llanwern |
305
|
| Betws yn Rhos |
300
|
| Whitehill (Pembrokeshire) |
300
|
| Bronwydd |
295
|
| Newbridge-on-Wye |
295
|
| Berriew |
290
|
| Bull Bay |
290
|
| Coelbren |
290
|
| Gwynfryn |
290
|
| St Fagans |
290
|
| Keeston |
285
|
| Manorbier |
285
|
| Shirenewton |
285
|
| Clawdd Poncen |
280
|
| Llanyre |
280
|
| Meidrim |
280
|
| Malltraeth |
275
|
| Waterston |
275
|
| Llanigon |
265
|
| Broadmoor |
260
|
| Hill Mountain |
260
|
| Capel Bangor |
255
|
| Llanfechain |
255
|
| Pentrecwrt |
255
|
| Caeathro |
250
|
| Freshwater East |
250
|
| Penisa'r Waun |
235
|
| Betws-y-Coed |
215
|
| Port Eynon |
215
|
| Pendine |
170
|
| Llanelwedd |
130
|
| Blaenannerch |
125
|
| Llandarcy |
115
|
