273 cities and towns
| Abbreviation | L |
| State Population | 2,914,486 |
| # | City | Population | Median Income | Home Value | Median Rent | Median Age |
|---|---|---|---|---|---|---|
| 1 | Dublin | 1,024,027 | N/A | N/A | N/A | 38.2 |
| 2 | South Dublin | 278,749 | N/A | N/A | N/A | 38.2 |
| 3 | Tallaght | 80,339 | N/A | N/A | N/A | 38.2 |
| 4 | Swords | 42,738 | N/A | N/A | N/A | 38.2 |
| 5 | Drogheda | 40,956 | N/A | N/A | N/A | 38.2 |
| 6 | Dundalk | 39,004 | N/A | N/A | N/A | 38.2 |
| 7 | Bray | 32,600 | N/A | N/A | N/A | 38.2 |
| 8 | Dún Laoghaire | 26,525 | N/A | N/A | N/A | 38.2 |
| 9 | Navan | 24,545 | N/A | N/A | N/A | 38.2 |
| 10 | Carlow | 24,272 | N/A | N/A | N/A | 38.2 |
| 11 | Droichead Nua | 22,742 | N/A | N/A | N/A | 38.2 |
| 12 | Sandyford | 22,288 | N/A | N/A | N/A | 38.2 |
| 13 | Balbriggan | 21,722 | N/A | N/A | N/A | 38.2 |
| 14 | Kilkenny | 21,589 | N/A | N/A | N/A | 38.2 |
| 15 | Athlone | 21,351 | N/A | N/A | N/A | 38.2 |
| 16 | Naas | 20,713 | N/A | N/A | N/A | 38.2 |
| 17 | Celbridge | 20,288 | N/A | N/A | N/A | 38.2 |
| 18 | Wexford | 19,913 | N/A | N/A | N/A | 38.2 |
| 19 | Finglas | 19,768 | N/A | N/A | N/A | 38.2 |
| 20 | Greystones | 18,140 | N/A | N/A | N/A | 38.2 |
| 21 | Rathfarnham | 17,333 | N/A | N/A | N/A | 38.2 |
| 22 | An Muileann gCearr | 17,262 | N/A | N/A | N/A | 38.2 |
| 23 | Malahide | 16,550 | N/A | N/A | N/A | 38.2 |
| 24 | Blanchardstown | 16,511 | N/A | N/A | N/A | 38.2 |
| 25 | Leixlip | 15,504 | N/A | N/A | N/A | 38.2 |
| 26 | Donaghmede | 15,299 | N/A | N/A | N/A | 38.2 |
| 27 | Lucan | 15,269 | N/A | N/A | N/A | 38.2 |
| 28 | Kilquade | 14,886 | N/A | N/A | N/A | 38.2 |
| 29 | Knocklyon | 14,628 | N/A | N/A | N/A | 38.2 |
| 30 | Maynooth | 14,585 | N/A | N/A | N/A | 38.2 |
| 31 | Clondalkin | 14,508 | N/A | N/A | N/A | 38.2 |
| 32 | Shankill | 14,257 | N/A | N/A | N/A | 38.2 |
| 33 | Wicklow | 14,048 | N/A | N/A | N/A | 38.2 |
| 34 | Portlaoise | 13,622 | N/A | N/A | N/A | 38.2 |
| 35 | Arklow | 13,163 | N/A | N/A | N/A | 38.2 |
| 36 | Foxrock | 12,870 | N/A | N/A | N/A | 38.2 |
| 37 | Ashbourne | 12,679 | N/A | N/A | N/A | 38.2 |
| 38 | Dundrum | 12,152 | N/A | N/A | N/A | 38.2 |
| 39 | Tullamore | 11,575 | N/A | N/A | N/A | 38.2 |
| 40 | Crumlin | 11,294 | N/A | N/A | N/A | 38.2 |
| 41 | Palmerstown | 11,130 | N/A | N/A | N/A | 38.2 |
| 42 | Rathmines | 11,044 | N/A | N/A | N/A | 38.2 |
| 43 | Marino | 11,023 | N/A | N/A | N/A | 38.2 |
| 44 | Laytown | 10,889 | N/A | N/A | N/A | 38.2 |
| 45 | Jobstown | 10,825 | N/A | N/A | N/A | 38.2 |
| 46 | Donnybrook | 10,645 | N/A | N/A | N/A | 38.2 |
| 47 | Skerries | 10,043 | N/A | N/A | N/A | 38.2 |
| 48 | Cabinteely | 10,038 | N/A | N/A | N/A | 38.2 |
| 49 | Gorey | 9,822 | N/A | N/A | N/A | 38.2 |
| 50 | Oldbawn | 9,784 | N/A | N/A | N/A | 38.2 |