| Dublin Postal District | A | B | C | D | E | F | G | Average Age |
|---|---|---|---|---|---|---|---|---|
| Dublin 1 | 2% | 14% | 30% | 26% | 14% | 5% | 8% | 32 |
| Dublin 2 | 9% | 16% | 29% | 23% | 12% | 5% | 6% | 33 |
| Dublin 3 | 2% | 8% | 25% | 22% | 17% | 10% | 13% | 56 |
| Dublin 4 | 3% | 12% | 29% | 26% | 15% | 7% | 7% | 44 |
| Dublin 5 | 3% | 8% | 29% | 28% | 18% | 8% | 6% | 43 |
| Dublin 6 | 5% | 8% | 21% | 24% | 17% | 9% | 16% | 58 |
| Dublin 6W | 5% | 9% | 26% | 24% | 17% | 9% | 9% | 50 |
| Dublin 7 | 1% | 4% | 25% | 25% | 18% | 10% | 16% | 58 |
| Dublin 8 | 1% | 15% | 27% | 25% | 15% | 8% | 11% | 46 |
| Dublin 9 | 7% | 10% | 27% | 24% | 17% | 8% | 8% | 45 |
| Dublin 10 | 3% | 7% | 41% | 23% | 13% | 7% | 6% | 45 |
| Dublin 11 | 5% | 20% | 35% | 19% | 11% | 5% | 4% | 31 |
| Dublin 12 | 2% | 7% | 25% | 25% | 20% | 11% | 10% | 54 |
| Dublin 13 | 16% | 15% | 30% | 21% | 11% | 4% | 3% | 27 |
| Dublin 14 | 8% | 15% | 27% | 23% | 14% | 6% | 5% | 37 |
| Dublin 15 | 14% | 15% | 42% | 21% | 6% | 1% | 1% | 17 |
| Dublin 16 | 10% | 13% | 36% | 25% | 10% | 4% | 2% | 27 |
| Dublin 17 | 5% | 17% | 48% | 21% | 6% | 2% | 1% | 25 |
| Dublin 18 | 10% | 32% | 36% | 15% | 5% | 1% | 1% | 18 |
| Dublin 20 | 8% | 19% | 24% | 25% | 15% | 5% | 4% | 31 |
| Dublin 22 | 3% | 5% | 40% | 34% | 13% | 3% | 2% | 28 |
| Dublin 24 | 9% | 9% | 40% | 26% | 10% | 3% | 1% | 22 |
