|
Census data for Hillerød parish
| 1787 | 62 | 1,200 | 645 | 53.75% | 555 | 46.25% | 0 | 0.00% | 0 |
| 1801 | 44 | 1,214 | 610 | 50.25% | 604 | 49.75% | 0 | 0.00% | 0 |
| 1834 | 54 | 1,718 | 868 | 50.52% | 850 | 49.48% | 0 | 0.00% | 37 |
| 1840 | 57 | 1,841 | 964 | 52.36% | 876 | 47.58% | 1 | 0.05% | 0 |
| 1845 | 54 | 1,855 | 945 | 50.94% | 910 | 49.06% | 0 | 0.00% | 0 |
| 1850 | 68 | 1,932 | 948 | 49.07% | 975 | 50.47% | 9 | 0.47% | 0 |
| 1855 | 151 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1860 | 98 | 2,303 | 1,151 | 49.98% | 1,151 | 49.98% | 1 | 0.04% | 0 |
| 1870 | 394 | 2,550 | 1,242 | 48.71% | 1,307 | 51.25% | 1 | 0.04% | 2,550 |
| 1880 | 583 | 3,069 | 1,524 | 49.66% | 1,544 | 50.31% | 1 | 0.03% | 3,007 |
| 1890 | 1,028 | 3,770 | 1,837 | 48.73% | 1,933 | 51.27% | 0 | 0.00% | 3,719 |
| 1901 | 1,329 | 4,585 | 2,202 | 48.03% | 2,383 | 51.97% | 0 | 0.00% | 4,136 |
| 1906 | 1,449 | 4,988 | 2,350 | 47.11% | 2,637 | 52.87% | 1 | 0.02% | 4,893 |
| 1911 | 1,705 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1916 | 1,986 | 5 | 2 | 40.00% | 3 | 60.00% | 0 | 0.00% | 0 |
| 1921 | 1,465 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1925 | 2,349 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | 3,889 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1940 | 5,240 | 8 | 4 | 50.00% | 4 | 50.00% | 0 | 0.00% | 0 |
|