This is a list of settlements in Northern Ireland by population. The fifty largest settlements are listed, based on data published by the Northern Ireland Statistics and Research Agency (NISRA), from the 2021 Census.[1] Settlements with city status are shown in bold. Districts are local government districts as established in April 2015.
| Settlement | District | County | Population | ||
|---|---|---|---|---|---|
| Belfast Urban Area | Antrim and Newtownabbey Belfast Lisburn and Castlereagh | County Antrim County Down | 450,386 | ||
| 1 | Belfast | Belfast | County Antrim County Down | 291,386 | |
| 2 | Derry | Derry City and Strabane | County Londonderry | 84,884 | |
| 3 | Craigavon Urban Area | Armagh City, Banbridge and Craigavon | County Armagh | 72,721 | |
| 4 | Metropolitan Newtownabbey | Antrim and Newtownabbey | County Antrim | 67,112 | |
| 5 | Bangor | Ards and North Down | County Down | 64,122 | |
| 6 | Metropolitan Castlereagh | Belfast Lisburn and Castlereagh | County Down | 59,198 | |
| 7 | Lisburn | Lisburn and Castlereagh | County Antrim County Down | 51,447 | |
| 8 | Metropolitan Lisburn | Belfast Lisburn and Castlereagh | County Antrim | 32,368 | |
| 9 | Ballymena | Mid and East Antrim | County Antrim | 31,308 | |
| Lurgan | Armagh City, Banbridge and Craigavon | County Armagh | 30,886 | ||
| Portadown | Armagh City, Banbridge and Craigavon | County Armagh | 29,772 | ||
| 10 | Newtownards | Ards and North Down | County Down | 29,591 | |
| 11 | Newry | Newry, Mourne and Down | County Armagh County Down | 28,026 | |
| 12 | Carrickfergus | Mid and East Antrim | County Antrim | 27,886 | |
| 13 | Antrim | Antrim and Newtownabbey | County Antrim | 25,464 | |
| 14 | Coleraine | Causeway Coast and Glens | County Londonderry | 24,560 | |
| 15 | Omagh | Fermanagh and Omagh | County Tyrone | 20,353 | |
| 16 | Larne | Mid and East Antrim | County Antrim | 18,794 | |
| 17 | Banbridge | Armagh City, Banbridge and Craigavon | County Down | 17,248 | |
| 18 | Armagh | Armagh City, Banbridge and Craigavon | County Armagh | 16,438 | |
| 19 | Dungannon | Mid Ulster | County Tyrone | 16,361 | |
| 20 | Enniskillen | Fermanagh and Omagh | County Fermanagh | 14,120 | |
| Craigavon[2] | Armagh City, Banbridge and Craigavon | County Armagh | 13,948 | ||
| 21 | Strabane | Derry City and Strabane | County Tyrone | 13,456 | |
| 22 | Cookstown | Mid Ulster | County Tyrone | 12,549 | |
| 23 | Limavady | Causeway Coast and Glens | County Londonderry | 11,697 | |
| 24 | Downpatrick | Newry, Mourne and Down | County Down | 11,541 | |
| 25 | Ballymoney | Causeway Coast and Glens | County Antrim | 10,903 | |
| 26 | Ballyclare | Antrim and Newtownabbey | County Antrim | 10,848 | |
| 27 | Holywood | Ards and North Down | County Down | 10,735 | |
| 28 | Magherafelt | Mid Ulster | County Londonderry | 9,647 | |
| 29 | Comber | Ards and North Down | County Down | 9,512 | |
| 30 | Warrenpoint (including Burren) | Newry, Mourne and Down | County Down | 8,821 | |
| 31 | Newcastle | Newry, Mourne and Down | County Down | 8,293 | |
| 32 | Portstewart | Causeway Coast and Glens | County Londonderry | 7,698 | |
| 33 | Donaghadee | Ards and North Down | County Down | 7,320 | |
| 34 | Carryduff | Lisburn and Castlereagh | County Down | 7,017 | |
| 35 | Kilkeel | Newry, Mourne and Down | County Down | 6,632 | |
| 36 | Dromore | Armagh City, Banbridge and Craigavon | County Down | 6,492 | |
| 37 | Greenisland | Mid and East Antrim | County Antrim | 6,383 | |
| 38 | Ballynahinch | Newry, Mourne and Down | County Down | 6,335 | |
| 39 | Coalisland | Mid Ulster | County Tyrone | 6,323 | |
| 40 | Portrush | Causeway Coast and Glens | County Londonderry County Antrim | 6,050 | |
| 41 | Ballycastle | Causeway Coast and Glens | County Antrim | 5,628 | |
| 42 | Crumlin | Antrim and Newtownabbey | County Antrim | 5,340 | |
| 43 | Randalstown | Antrim and Newtownabbey | County Antrim | 5,156 | |
| 44 | Moira | Lisburn and Castlereagh | County Down | 4,879 | |
| 45 | Maghera | Mid Ulster | County Londonderry | 4,222 | |
| 46 | Royal Hillsborough (including Culcavy) | Lisburn and Castlereagh | County Down | 4,160 | |
| 47 | Waringstown | Armagh City, Banbridge and Craigavon | County Down | 3,787 | |
| 48 | Culmore | Derry City and Strabane | County Londonderry | 3,655 | |
| 49 | Saintfield | Newry, Mourne and Down | County Down | 3,578 | |
| 50 | Eglinton | Derry City and Strabane | County Londonderry | 3,550 |