Aantal inwoners naar leeftijd in Holland Rijnland per 1-1-2018.
| regio | 0-14 | 15-44 | 45-64 | 65-74 | 75 en ouder | totaal | |
|---|---|---|---|---|---|---|---|
| 0 | 31.773 | 66.096 | 54.287 | 21.105 | 15.498 | 188.759 | |
| 1 | Hillegom | 3.459 | 7.443 | 6.418 | 2.580 | 1.912 | 21.812 |
| 2 | Katwijk | 12.227 | 24.234 | 17.273 | 6.595 | 4.627 | 64.956 |
| 3 | Lisse | 3.628 | 7.485 | 6.638 | 2.817 | 2.178 | 22.746 |
| 4 | Noordwijk | 6.386 | 14.479 | 12.750 | 5.364 | 3.682 | 42.661 |
| 5 | Teylingen | 6.073 | 12.455 | 11.208 | 3.749 | 3.099 | 36.584 |
| 6 | 31.201 | 86.233 | 55.025 | 21.129 | 15.685 | 209.273 | |
| 7 | Leiden | 16.650 | 59.019 | 30.245 | 10.997 | 7.395 | 124.306 |
| 8 | Leiderdorp | 4.423 | 8.726 | 8.048 | 3.410 | 2.590 | 27.197 |
| 9 | Oegstgeest | 4.307 | 7.808 | 6.889 | 2.635 | 2.248 | 23.887 |
| 10 | Voorschoten | 4.535 | 7.906 | 7.167 | 3.084 | 2.761 | 25.453 |
| 11 | Zoeterwoude | 1.286 | 2.774 | 2.676 | 1.003 | 691 | 8.430 |
| 12 | 27.269 | 58.023 | 48.086 | 18.824 | 12.374 | 164.576 | |
| 13 | Alphen a/d Rijn | 18.579 | 39.656 | 31.200 | 12.212 | 8.035 | 109.682 |
| 14 | Kaag en Braassem | 4.207 | 8.851 | 8.209 | 3.178 | 2.180 | 26.625 |
| 15 | Nieuwkoop | 4.483 | 9.516 | 8.677 | 3.434 | 2.159 | 28.269 |
| totaal | 90.243 | 210.352 | 157.398 | 61.058 | 43.557 | 562.608 |
Bron: Centraal Bureau voor de Statistiek (CBS)