List of localities in Wales by population

This is a list of localities in Wales by order of population according to the 2011census data. Major urban areas are sub-divided to provide results about localities within them. Sub-divisions often follow the boundaries of local authorities existing before re-organisation in 1974, or the boundaries of current authorities within agglomerations. The figures in this list include only single localities or subdivisions; they are not the population of local authority areas, electoral wards, or urban areas.

Rank Built-up area Population 2017 Unitary authority area Larger Urban Area (LUA)
1 Cardiff 335,145 Cardiff Cardiff
2 Swansea 179,485 Swansea Swansea
3 Newport 128,060 Newport Newport
4 Merthyr Tydfil 63,546 Merthyr Tydfil
5 Wrexham 61,603 Wrexham county borough Wrexham
6 Barry 54,673 Vale of Glamorgan
7 Neath 50,658 Neath Port Talbot Swansea
8 Cwmbran 48,535 Torfaen Newport
9 Bridgend 46,757 Bridgend Bridgend
10 Llanelli 43,878 Carmarthenshire Llanelli
11 Caerphilly 41,402 Caerphilly Cardiff
12 Port Talbot 37,276 Neath Port Talbot Swansea
13 Pontypridd 33,457 Rhondda Cynon Taf Cardiff
14 Aberdare 29,748 Rhondda Cynon Taf Aberdare
15 Colwyn Bay 29,405 Conwy Colwyn Bay
16 Pontypool 28,334 Torfaen Newport
17 Penarth 27,226 Vale of Glamorgan Cardiff
18 Rhyl 25,149 Denbighshire Rhyl/Prestatyn
19 Blackwood 24,042 Caerphilly Newport
20 Buckley 19,639 Flintshire Buckley
21 Ystrad Mynach 19,204 Caerphilly Newport
22 Maesteg 18,888 Bridgend Maesteg
23 Ebbw Vale 18,095 Blaenau Gwent Ebbw Vale
24 Aberystwyth 18,093 Ceredigion Aberystwyth
25 Bangor 17,988 Gwynedd
26 Tonypandy 17,789 Rhondda Cynon Taf Tonypandy
27 Gelligaer 17,376 Caerphilly Newport
28 Prestatyn 16,783 Denbighshire Rhyl/Prestatyn
29 Shotton 16,775 Flintshire Buckley
30 Connah's Quay 16,774 Flintshire Buckley
31 Carmarthen 15,854 Carmarthenshire
32 Gorseinon 15,757 Swansea Swansea
33 Porthcawl 15,672 Bridgend
34 Llandudno 15,371 Conwy
35 Risca 14,958 Caerphilly Newport
36 Flint 14,907 Flintshire Flint
37 Tredegar 14,855 Blaenau Gwent
38 Porth 14,648 Rhondda Cynon Taf Tonypandy
39 Haverfordwest 14,596 Pembrokeshire
40 Church Village 13,783 Rhondda Cynon Taf Church Village
41 Pyle 13,701 Bridgend
42 Milford Haven 13,582 Pembrokeshire
43 Rhosllannerchrugog 13,501 Wrexham Rhosllannerchrugog
44 Abergavenny 13,423 Monmouthshire Abergavenny
45 Rhondda 13,333 Rhondda Cynon Taf Tonypandy
46 Llantrisant 13,264 Rhondda Cynon Taf Llantrisant
47 Chepstow 12,350 Monmouthshire
48 Pontardawe 12,333 Swansea Swansea
49 Bargoed 11,537 Caerphilly Newport
50 Holyhead 11,431 Anglesey
51 Newtown 11,357 Powys
52 Mountain Ash 11,230 Rhondda Cynon Taf
53 Caldicot 11,200 Monmouthshire
54 Abertillery 10,946 Blaenau Gwent
55 Sarn 10,805 Bridgend Bridgend
56 Llandudno Junction/Deganwy 10,658 Conwy Bryn Pydew
57 Ystradgynlais/Ystalyfera 10,248 Powys/Neath Port Talbot Swansea
58 Monmouth 10,110 Monmouthshire
59 Mold 10,058 Flintshire
60 Holywell 9,808 Flintshire
61 Pembroke Dock 9,753 Pembrokeshire
62 Newbridge 9,590 Caerphilly Newport
63 Kinmel Bay 9,497 Conwy Kinmel Bay/Abergele
64 Caernarfon 9,493 Gwynedd
65 Tonyrefail 9,317 Rhondda Cynon Taf
66 Pontllanfraith 9,220 Caerphilly Newport
67 Abergele 9,208 Conwy Kinmel Bay/Abergele
68 Pencoed 9,166 Bridgend
69 Pontarddulais 9,073 Swansea
70 Caerleon 8,747 Newport
71 Denbigh 8,514 Denbighshire
72 Bedwas 8,512 Caerphilly
73 Brecon 8,250 Powys
74 Llantwit Major 8,427 Vale of Glamorgan
75 Beddau 8,236 Rhondda Cynon Taf Church Village
76 Ammanford 7,945 Carmarthenshire Ammanford
77 Treharris 7,705 Merthyr Treharris
78 Treorchy 7,694 Rhondda Cynon Taf Tonypandy
79 Pembroke 7,552 Pembrokeshire
80 Dinas Powys 7,490 Vale of Glamorgan Cardiff
81 Ferndale 7,338 Rhondda Cynon Taf
82 Cefn-mawr 7,051 Wrexham Rhosllanerchrugog
83 Sandycroft 6,724 Flintshire Buckley
84 Llanharan 6,686 Rhondda Cynon Taf
85 Abertridwr/Senghenydd 6,504 Caerphilly
86 Rhoose 6,160 Vale of Glamorgan
87 Burry Port 6,156 Carmarthenshire
88 Abercynon 5,983 Rhondda Cynon Taf
89 Welshpool 5,948 Powys
90 Briton Ferry 5,911 Neath Port Talbot
91 Magor 5,914 Monmouthshire
92 Crumlin 5,724 Caerphilly
93 Coedpoeth 5,723 Wrexham
94 Penygroes 5,717 Carmarthenshire Ammanford
95 Blaenavon 5,647 Torfaen
96 Taff's Well 5,567 Rhondda Cynon Taf Cardiff
97 RAF Station St Athan 5,554 Vale of Glamorgan
98 Brynmawr 5,530 Blaenau Gwent Ebbw Vale
99 Ruthin 5,461 Denbighshire
100 Aberavon 5,452 Neath Port Talbot
101 Treherbert 5,440 Rhondda Cynon Taf Tonypandy
102 Ewloe 5,420 Flintshire
103 Cwmafan 5,336 Neath Port Talbot
104 Abercarn 5,352 Caerphilly Newport
105 Llandrindod Wells 5,309 Powys
106 Rhymney 5,151 Caerphilly Rhymney
107 Saltney 5,132 Flintshire
108 Gresford 5,010 Wrexham
109 Menai Bridge 4,958 Anglesey
110 Llangefni 4,864 Anglesey
111 Blaina 4,808 Blaenau Gwent Ebbw Vale
112 Tenby 4,696 Pembrokeshire
113 Llay 4,681 Wrexham
114 Nelson 4,647 Caerphilly Treharris
115 Nantyglo 4,635 Blaenau Gwent Ebbw Vale
116 Penrhyn Bay 4,432 Conwy Colwyn Bay
117 Glanaman 4,384 Carmarthenshire
118 Llangennech 4,324 Carmarthenshire Llanelli
119 Tumble 4,302 Carmarthenshire Ammanford
120 Pontycymer 4,288 Bridgend
121 Hope/Caergwrle 4,284 Wrexham/Flintshire Hope
122 Glyn-Neath 4,278 Neath Port Talbot Glynneath
123 New Tredegar 4,208 Caerphilly
124 Cardigan 4,184 Ceredigion Cardigan
125 Bagillt 4,165 Flintshire
126 Pwllheli 4,076 Gwynedd
127 Glyncoch 4,020 Rhondda Cynon Taf
128 Chirk 4,007 Wrexham
129 Conwy 3,873 Conwy
130 Cowbridge 3,804 Vale of Glamorgan
131 Bethesda 3,799 Gwynedd Bethesda
132 Tycroes 3,752 Carmarthenshire Ammanford
133 Llanbradach 3,746 Caerphilly
134 Rhuddlan 3,709 Denbighshire
135 Neyland 3,708 Pembrokeshire
136 Blaenau Ffestiniog 3,662 Gwynedd
137 Tylorstown 3,641 Rhondda Cynon Taf Tonypandy
138 Llanfairfechan 3,637 Conwy
139 Penyffordd 3,554 Flintshire
140 Aberfan 3,547 Merthyr Tydfil
141 Ynysybwl 3,503 Rhondda Cynon Taf
142 Bishopston 3,500 Swansea
143 Llangollen 3,466 Denbighshire
144 Fishguard 3,419 Pembrokeshire
145 Ruabon 3,357 Wrexham Rhosllannerchrugog
146 St Asaph 3,355 Denbighshire
147 Llanrwst 3,323 Conwy
148 Amlwch 3,211 Anglesey
149 Penparcau 3,122 Ceredigion
150 Ogmore Vale 3,117 Bridgend Ogmore/Nant-y-Moel
151 Llanfairpwll 3,107 Anglesey
152 Tywyn 3,097 Gwynedd
153 Gwaun-Cae-Gurwen 3,084 Carmarthenshire/Neath Port Talbot Brynaman/Gwaun-Cae-Gurwen
154 Llanharry 3,035 Rhondda Cynon Taf
155 Knighton 3,007 Powys
156 Llanhilleth 2,990 Blaenau Gwent
157 Porthmadog 2,981 Gwynedd
158 Lampeter 2,970 Ceredigion
159 Llanidloes 2,929 Powys
160 Usk 2,834 Monmouthshire
161 Builth Wells 2,829 Powys
162 Llandybie 2,813 Carmarthenshire
163 Crickhowell 2,800 Powys
164 Kidwelly 2,782 Carmarthenshire
165 Saundersfoot 2,767 Pembrokeshire Saundersfoot
166 Rhostyllen 2,766 Wrexham Wrexham
167 Cwm 2,739 Blaenau Gwent
168 Dolgellau 2,688 Gwynedd
169 Brynaman 2,608 Carmarthenshire/Neath Port Talbot Brynaman/Gwaun-Cae-Gurwen
170 Penmaenmawr 2,535 Conwy
171 Hendreforgan 2,475 Rhondda Cynon Taf Hendreforgan/Gilfach Goch
172 Creigiau 2,380 Cardiff
173 Machen 2,362 Caerphilly
174 Valley 2,361 Anglesey
175 Nant-y-Moel 2,344 Bridgend Ogmore/Nant-y-Moel
176 Corwen 2,325 Denbighshire
177 Marshfield 2,319 Newport Marshfield
178 Barmouth 2,315 Gwynedd
179 Pentyrch 2,287 Cardiff
180 Y Felinheli 2,284 Gwynedd
181 Leeswood 2,282 Flintshire
182 Dyserth 2,269 Denbighshire Rhyl/Prestatyn
183 Narberth 2,265 Pembrokeshire
184 Gilwern 2,263 Monmouthshire
185 Benllech 2,236 Anglesey
186 Machynlleth 2,235 Powys
187 Pembrey 2,154 Carmarthenshire
188 Seven Sisters 2,123 Neath Port Talbot
189 Queensferry 2,109 Flintshire
190 Resolven 2,068 Neath Port Talbot
191 Llandovery 2,065 Carmarthenshire
192 Presteigne 2,056 Powys
193 Rossett 2,007 Wrexham Rossett
194 Southgate 2,004 Swansea
195 St Clears 1,989 Carmarthenshire St Clears
196 Bala 1,974 Gwynedd
197 Johnston 1,941 Pembrokeshire
198 Penclawdd 1,935 Swansea
199 Pontlottyn 1,924 Caerphilly Rhymney
200 Gilfach Goch 1,920 Rhondda Cynon Taf Hendreforgan/Gilfach Goch
201 Llanrug 1,916 Gwynedd
202 Newcastle Emlyn 1,883 Carmarthenshire
203 Llanberis 1,844 Gwynedd
204 Rhayader 1,824 Powys
205 Rogiet 1,813 Monmouthshire
206 Llanfair Caereinion 1,810 Powys
207 Llandeilo 1,795 Carmarthenshire
208 Bodelwyddan 1,794 Denbighshire
209 Penygroes 1,793 Gwynedd
210 Whitland 1,792 Carmarthenshire
211 Criccieth 1,753 Gwynedd
212 Glan Conwy 1,735 Conwy
213 Goodwick 1,720 Pembrokeshire
214 Soughton 1,710 Flintshire
215 Pontyberem 1,695 Carmarthenshire
216 Pontlliw 1,645 Swansea
217 Talgarth 1,645 Powys
218 Llanybydder 1,638 Carmarthenshire
219 Mostyn 1,606 Flintshire
220 Crynant 1,602 Neath Port Talbot
221 Trimsaran 1,584 Carmarthenshire
222 Bow Street 1,572 Ceredigion
223 Croeserw 1,569 Neath Port Talbot Maesteg
224 Penrhyndeudraeth 1,546 Gwynedd
225 Trearddur Bay 1,537 Anglesey
226 Northop Hall 1,530 Flintshire Buckley
227 Cilgerran 1,507 Pembrokeshire
228 Llangynwyd/Pont-rhyd-y-cyff 1,505 Bridgend
229 Llanfyllin 1,482 Powys
230 Hay-on-Wye 1,469 Powys
231 Abertysswg 1,462 Caerphilly Rhymney
232 Trevor 1,453 Wrexham
233 Harlech 1,447 Gwynedd
234 Llandysul 1,447 Ceredigion
235 Aberaeron 1,422 Ceredigion
236 St David's 1,408 Pembrokeshire
237 Cwmllynfell 1,405 Neath Port Talbot
238 Pwll 1,389 Carmarthenshire Llanelli
239 Fernhill 1,387 Rhondda Cynon Taf Aberdare
240 Deiniolen 1,379 Gwynedd
241 Nefyn 1,373 Gwynedd Nefyn/Morfa Nefyn
242 Beaumaris 1,370 Anglesey
243 Dwygyfylchi 1,355 Conwy
244 Whelston 1,336 Flintshire Flint
245 Penrhyncoch 1,316 Ceredigion
246 Caerwys/Afonwen 1,315 Flintshire
247 Tregarth 1,307 Gwynedd Bethesda
248 Llanddulas 1,268 Conwy Llanddulas/Mynydd Marian
249 Efail Isaf 1,258 Rhondda Cynon Taf Church Village
250 Montgomery 1,256 Powys
251 Aberporth 1,241 Ceredigion Aberporth
252 Llanfoist 1,228 Monmouthshire Abergavenny
253 New Quay 1,200 Ceredigion
254 Waunfawr 1,190 Gwynedd
255 Cemaes Bay 1,187 Anglesey
256 Tregaron 1,173 Ceredigion
257 Bethel 1,171 Gwynedd
258 Gaerwen 1,160 Anglesey Gaerwen
259 Brynsadler 1,158 Rhondda Cynon Taf Llantrisant
260 Blaengwrach 1,141 Neath Port Talbot Glynneath
261 Llanerchymedd 1,133 Anglesey
262 Penybanc 1,126 Carmarthenshire
263 St Dogmaels 1,117 Ceredigion Cardigan
264 Holt 1,113 Wrexham county borough Wrexham
265 Talysarn 1,086 Gwynedd
266 Mynydd Marian 1,076 Conwy Llanddulas/Mynydd Marian
267 Bodedern 1,051 Anglesey
268 Rhosneigr 1,008 Anglesey
269 Aberbargoed 994 Caerphilly
270 Bontnewydd 951 Gwynedd
271 Rachub 936 Gwynedd Bethesda
272 Gwernaffield-y-Waun 905 Flintshire Gwernaffield-y-Waun/Pantymwyn
273 Newborough 892 Anglesey
274 Groeslon 880 Gwynedd
275 Llan Ffestiniog 864 Gwynedd
276 Morfa Nefyn 857 Gwynedd Nefyn/Morfa Nefyn
277 Llangoed 849 Anglesey
278 Pontrhydyfen 830 Neath Port Talbot
279 Pantymwyn 829 Flintshire Gwernaffield-y-Waun/Pantymwyn
280 Laugharne 817 Carmarthenshire
281 Trefor 814 Gwynedd
282 Abersoch 783 Gwynedd
283 Llanfihangel-yn-Nhowyn 757 Anglesey
284 Castleton 735 Newport Marshfield
285 Aberdyfi 725 Gwynedd
286 Gwalchmai 715 Anglesey
287 Fairbourne 712 Gwynedd
288 Rhosybol 712 Anglesey
289 Moelfre 710 Anglesey
290 Llanddona 691 Anglesey
291 Rhostryfan 675 Gwynedd
292 Pwll Trap 674 Carmarthenshire St Clears
293 Llanbadarn Fawr 656 Ceredigion Aberystwyth
294 Chwilog 640 Gwynedd
295 Trawsfynydd 628 Gwynedd
296 Templeton 627 Pembrokeshire
297 Llanbedrog 613 Gwynedd
298 Trefriw 605 Conwy
299 Dwyran 603 Anglesey
300 Llanwrtyd Wells 601 Powys
301 Penysarn 595 Anglesey
302 New Hedges 594 Pembrokeshire Saundersfoot
304 Llanfechell 589 Anglesey
305 Pentraeth 557 Anglesey
306 Cymmer 544 Neath Port Talbot Maesteg
307 Mynytho 536 Gwynedd
308 Llwyngwril 526 Gwynedd
309 Bryn Pydew 451 Conwy
310 Dolgarrog 446 Conwy
311 Sydall 422 Wrexham Hope
312 Parcllyn 407 Ceredigion Aberporth
313 Bryngwran 405 Anglesey
314 Pentre Berw 391 Anglesey Gaerwen
315 Llanbedr 385 Gwynedd
316 Llangristiolus 384 Anglesey
317 Caergeiliog 355 Anglesey
318 Llysfaen 330 Conwy Llanddulas/Mynydd Marian
319 Betws-yn-Rhos 312 Conwy
320 Cerrigydrudion 289 Conwy
321 Pulford 272 Wrexham Rossett
322 Betws-y-Coed 255 Conwy
323 Malltraeth 255 Anglesey

Urban Areas

The following is a list of Larger Urban Areas with a population greater than 10,000:

Rank LUA Population 2011 Definition (Built up Areas) Region
1 Cardiff 447,287 Cardiff, Caerphilly, Pontypridd, Penarth, Dinas Powys, Taff's Well South East
2 Newport 306,844 Newport, Cwmbran, Blackwood, Ystrad Mynach, Risca, Bargoed,
Newbridge, Pontllanfraith, Abersychan, Abercarn, Wattsville, Aberbargoed 		South East
3 Swansea 300,352 Swansea, Neath, Port Talbot, Pontardawe, Ystradgynlais, Gowerton, Upper Killay South West
4 Wrexham 65,692 Wrexham, Rhostyllen, Bradley, Gwersyllt North East
5 Buckley 63,576 Buckley, Shotton, Connah's Quay, Sandycroft, Deeside Industrial Park, Northop Hall North East
6 Tonypandy 62,545 Tonypandy, Porth, Rhondda, Treorchy, Treherbert, Tylorstown South East
7 Bridgend 58,380 Bridgend, Sarn, Trelales South East
8 Barry 54,673 Barry South East
9 Llanelli 49,591 Llanelli, Llangennech, Pwl South West
10 Rhyl/Prestatyn 46,267 Rhyl, Prestatyn, Dyserth, Meliden North East
11 Merthyr Tydfil 43,820 Merthyr Tydfil South East
12 Colwyn Bay 34,284 Colwyn Bay, Penrhyn Bay, Penrhynside North East
13 Ebbw Vale 33,068 Ebbw Vale, Brynmawr, Nantyglo, Blaina South East
14 Aberdare 31,135 Aberdare, Fernhill South East
15 Flint 26,442 Flint, Holywell, Walwen, Gorsedd North East
16 Rhosllanerchrugog 25,362 Rhosllanerchrugog, Cefn-Mawr, Ruabon, Trevor North East
17 Ammanford 23,709 Ammanford, Pen-y-Groes, Tumble, Tycroes, Penybanc, Saron South West
18 Church Village 23,277 Church Village, Beddau, Efail Isaf South East
19 Maesteg 21,001 Maesteg, Croeserw, Cymmer South East
20 Aberystwyth 18,749 Aberystwyth, Llanbadarn Fawr Mid
21 Kinmel Bay/Abergele 18,705 Kinmel Bay, Abergele North East
22 Bangor 17,988 Bangor North West
23 Carmarthen 15,854 Carmarthen South West
24 Porthcawl 15,672 Porthcawl South East
25 Llandudno 15,371 Llandudno North West
26 Tredegar 14,855 Tredegar South East
27 Haverfordwest 14,596 Haverfordwest South West
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