List of districts in Northern Ireland (pre-2015)
# List of districts in Northern Ireland (pre-2015)

This is a list of the former local government districts in Northern Ireland showing statistics for population, population density and area. The figures are from the 2011 Census.

These districts officially dissolved on 1 April 2015 when they were merged into eleven larger districts, statistics for which are listed at Local government in Northern Ireland.

| Rank | Council | Population | Density | Area (km²) | Type |
| - | - | - | - | - | - |
| 1 | Belfast | 280,962 | 2,339 | 115 | City |
| 2 | Lisburn | 120,165 | 247 | 447 | City |
| 3 | Derry | 107,877 | 276 | 387 | City |
| 4 | Newry and Mourne | 99,480 | 100 | 902 | District |
| 5 | Craigavon | 93,023 | 220 | 378 | Borough |
| 6 | Newtownabbey | 85,139 | 532 | 151 | Borough |
| 7 | North Down | 79,900 | 958 | 81 | Borough |
| 8 | Ards | 78,937 | 199 | 376 | Borough |
| 9 | Down | 69,731 | 103 | 647 | District |
| 10 | Castlereagh | 67,242 | 774 | 85 | Borough |
| 11 | Ballymena | 64,044 | 95 | 632 | Borough |
| 12 | Fermanagh | 61,805 | 32 | 1,876 | District |
| 13 | Armagh | 59,349 | 82 | 671 | City and District |
| 14 | Coleraine | 59,067 | 116 | 486 | Borough |
| 15 | Dungannon and South Tyrone | 57,852 | 63 | 784 | Borough |
| 16 | Antrim | 53,428 | 86 | 577 | Borough |
| 17 | Omagh | 51,356 | 44 | 1,130 | District |
| 18 | Banbridge | 48,339 | 97 | 453 | District |
| 19 | Magherafelt | 45,038 | 72 | 573 | District |
| 20 | Strabane | 39,384 | 45 | 862 | District |
| 21 | Carrickfergus | 39,114 | 472 | 82 | Borough |
| 22 | Cookstown | 37,013 | 54 | 622 | District |
| 23 | Limavady | 33,536 | 58 | 586 | Borough |
| 24 | Larne | 32,180 | 92 | 336 | Borough |
| 25 | Ballymoney | 31,224 | 68 | 418 | Borough |
| 26 | Moyle | 17,050 | 34 | 480 | District |
