Leeftijdsopbouw per vijfjaarsgroepen 2023| man | vrouw |
|---|
| Gemeente Katwijk | Hollands Midden | Gemeente Katwijk | Hollands Midden |
|---|
| 0-4 | 1.937 | 21.992 | 1.845 | 20.839 |
|---|
| 5-9 | 2.009 | 22.130 | 1.889 | 21.055 |
|---|
| 10-14 | 2.129 | 23.260 | 2.067 | 22.513 |
|---|
| 15-19 | 2.201 | 24.449 | 2.013 | 23.795 |
|---|
| 20-24 | 2.067 | 26.807 | 1.945 | 28.337 |
|---|
| 25-29 | 1.913 | 26.395 | 1.850 | 26.319 |
|---|
| 30-34 | 2.293 | 28.246 | 2.184 | 27.343 |
|---|
| 35-39 | 2.100 | 25.593 | 2.127 | 25.410 |
|---|
| 40-44 | 2.034 | 24.447 | 2.093 | 24.859 |
|---|
| 45-49 | 1.949 | 24.138 | 1.919 | 24.504 |
|---|
| 50-54 | 2.285 | 28.918 | 2.272 | 29.832 |
|---|
| 55-59 | 2.323 | 29.569 | 2.343 | 29.715 |
|---|
| 60-64 | 2.038 | 27.136 | 2.126 | 27.799 |
|---|
| 65-69 | 1.785 | 23.377 | 1.837 | 24.096 |
|---|
| 70-74 | 1.641 | 21.209 | 1.691 | 21.989 |
|---|
| 75-79 | 1.279 | 17.292 | 1.448 | 19.055 |
|---|
| 80-84 | 698 | 9.699 | 987 | 12.173 |
|---|
| 85-89 | 315 | 4.802 | 567 | 7.530 |
|---|
| 90-94 | 102 | 1.658 | 243 | 3.401 |
|---|
| 95 en ouder | 21 | 267 | 42 | 915 |
|---|