|
Census data for Merløse Herred
| 1787 | 20 | 310 | 9,897 | 4,896 | 49.47% | 5,000 | 50.52% | 1 | 0.01% | 0 |
| 1801 | 20 | 385 | 10,933 | 5,434 | 49.70% | 5,499 | 50.30% | 0 | 0.00% | 0 |
| 1834 | 20 | 430 | 14,540 | 7,185 | 49.42% | 7,355 | 50.58% | 0 | 0.00% | 0 |
| 1840 | 20 | 484 | 15,750 | 7,904 | 50.18% | 7,845 | 49.81% | 1 | 0.01% | 35 |
| 1845 | 20 | 582 | 16,898 | 8,443 | 49.96% | 8,455 | 50.04% | 0 | 0.00% | 7 |
| 1850 | 20 | 573 | 17,849 | 8,804 | 49.32% | 9,043 | 50.66% | 2 | 0.01% | 323 |
| 1855 | 20 | 714 | 7,234 | 3,525 | 48.73% | 3,665 | 50.66% | 44 | 0.61% | 344 |
| 1860 | 20 | 477 | 19,712 | 9,697 | 49.19% | 10,015 | 50.81% | 0 | 0.00% | 0 |
| 1870 | 20 | 1,510 | 698 | 302 | 43.27% | 364 | 52.15% | 32 | 4.58% | 0 |
| 1880 | 20 | 1,967 | 21,242 | 10,489 | 49.38% | 10,752 | 50.62% | 1 | 0.00% | 19,677 |
| 1890 | 20 | 2,531 | 1,321 | 652 | 49.36% | 663 | 50.19% | 6 | 0.45% | 1,197 |
| 1901 | 20 | 12,253 | 23,494 | 11,565 | 49.23% | 11,928 | 50.77% | 1 | 0.00% | 4,357 |
| 1906 | 20 | 3,169 | 25,223 | 12,284 | 48.70% | 12,939 | 51.30% | 0 | 0.00% | 0 |
| 1911 | 20 | 3,850 | 74 | 33 | 44.59% | 30 | 40.54% | 11 | 14.86% | |
| 1916 | 20 | 4,975 | 4,278 | 2,229 | 52.10% | 2,042 | 47.73% | 7 | 0.16% | 0 |
| 1921 | 20 | 4,593 | 40 | 13 | 32.50% | 14 | 35.00% | 13 | 32.50% | |
| 1925 | 20 | 6,910 | 16 | 9 | 56.25% | 7 | 43.75% | 0 | 0.00% | |
| 1930 | 20 | 10,490 | 33,549 | 16,688 | 49.74% | 16,835 | 50.18% | 26 | 0.08% | 32,154 |
| 1940 | 20 | 24,733 | 1,347 | 677 | 50.26% | 670 | 49.74% | 0 | 0.00% | 0 |
|