Aantal inwoners naar leeftijd in Holland Rijnland per 1-1-2011.
| regio | 0-14 | 15-44 | 45-64 | 65-74 | 75 en ouder | totaal | |
|---|---|---|---|---|---|---|---|
| 0 | 33.187 | 68.212 | 52.154 | 15.937 | 12.717 | 182.207 | |
| 1 | Hillegom | 3.488 | 7.523 | 6.102 | 1.894 | 1.620 | 20.627 |
| 2 | Katwijk | 12.153 | 24.779 | 16.337 | 4.949 | 3.826 | 62.044 |
| 3 | Lisse | 3.914 | 8.260 | 6.635 | 2.125 | 1.751 | 22.685 |
| 4 | Noordwijk | 6.642 | 14.644 | 12.793 | 4.004 | 2.956 | 41.039 |
| 5 | Teylingen | 6.990 | 13.006 | 10.287 | 2.965 | 2.564 | 35.812 |
| 6 | 32.050 | 83.834 | 54.415 | 15.358 | 13.629 | 199.286 | |
| 7 | Leiden | 17.328 | 56.092 | 29.952 | 7.765 | 6.778 | 117.915 |
| 8 | Leiderdorp | 4.742 | 9.228 | 8.063 | 2.542 | 2.034 | 26.609 |
| 9 | Oegstgeest | 4.196 | 7.925 | 6.645 | 2.023 | 1.978 | 22.767 |
| 10 | Voorschoten | 4.442 | 7.739 | 7.138 | 2.265 | 2.281 | 23.865 |
| 11 | Zoeterwoude | 1.342 | 2.850 | 2.617 | 763 | 558 | 8.130 |
| 12 | 29.247 | 59.963 | 46.762 | 13.546 | 9.404 | 158.922 | |
| 13 | Alphen a/d Rijn | 19.774 | 41.078 | 30.394 | 8.717 | 6.227 | 106.190 |
| 14 | Kaag en Braassem | 4.628 | 9.229 | 7.904 | 2.342 | 1.641 | 25.744 |
| 15 | Nieuwkoop | 4.845 | 9.656 | 8.464 | 2.487 | 1.536 | 26.988 |
| totaal | 94.484 | 212.009 | 153.331 | 44.841 | 35.750 | 540.415 |
Bron: Centraal Bureau voor de Statistiek (CBS)