Census data for Frederiksborg Slotsparish
| 1787 | 13 | 372 | 170 | 45.70% | 202 | 54.30% | 0 | 0.00% | 0 |
| 1801 | 0 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1834 | 21 | 722 | 351 | 48.61% | 371 | 51.39% | 0 | 0.00% | 0 |
| 1840 | 31 | 951 | 489 | 51.42% | 462 | 48.58% | 0 | 0.00% | 0 |
| 1845 | 51 | 1,100 | 530 | 48.18% | 570 | 51.82% | 0 | 0.00% | 3 |
| 1850 | 49 | 1,046 | 503 | 48.09% | 543 | 51.91% | 0 | 0.00% | 0 |
| 1855 | 44 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1860 | 45 | 1,219 | 616 | 50.53% | 603 | 49.47% | 0 | 0.00% | 0 |
| 1870 | 60 | 1,374 | 692 | 50.36% | 682 | 49.64% | 0 | 0.00% | 1,374 |
| 1880 | 141 | 1,522 | 747 | 49.08% | 775 | 50.92% | 0 | 0.00% | 0 |
| 1890 | 152 | 1,575 | 732 | 46.48% | 843 | 53.52% | 0 | 0.00% | 0 |
| 1901 | 717 | 2,070 | 984 | 47.54% | 1,086 | 52.46% | 0 | 0.00% | 1,532 |
| 1906 | 162 | 2,068 | 992 | 47.97% | 1,074 | 51.93% | 2 | 0.10% | 0 |
| 1911 | 265 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1916 | 290 | 18 | 14 | 77.78% | 4 | 22.22% | 0 | 0.00% | 0 |
| 1921 | 269 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1925 | 427 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | 342 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1940 | 4,264 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |