Census data for Hørby parish
| 1787 | 34 | 597 | 289 | 48.41% | 308 | 51.59% | 0 | 0.00% | 0 |
| 1801 | 22 | 666 | 314 | 47.15% | 352 | 52.85% | 0 | 0.00% | 0 |
| 1834 | 33 | 799 | 391 | 48.94% | 408 | 51.06% | 0 | 0.00% | 0 |
| 1840 | 24 | 846 | 420 | 49.65% | 426 | 50.35% | 0 | 0.00% | 0 |
| 1845 | 28 | 787 | 395 | 50.19% | 392 | 49.81% | 0 | 0.00% | 0 |
| 1850 | 29 | 915 | 445 | 48.63% | 470 | 51.37% | 0 | 0.00% | 0 |
| 1855 | 37 | 984 | 477 | 48.48% | 507 | 51.52% | 0 | 0.00% | 0 |
| 1860 | 22 | 1,125 | 563 | 50.04% | 562 | 49.96% | 0 | 0.00% | 0 |
| 1870 | 63 | 1,225 | 635 | 51.84% | 590 | 48.16% | 0 | 0.00% | 0 |
| 1880 | 93 | 1,272 | 645 | 50.71% | 627 | 49.29% | 0 | 0.00% | 0 |
| 1890 | 108 | 1,340 | 668 | 49.85% | 672 | 50.15% | 0 | 0.00% | 0 |
| 1901 | 714 | 1,454 | 764 | 52.54% | 690 | 47.46% | 0 | 0.00% | 1,378 |
| 1906 | 116 | 36 | 15 | 41.67% | 21 | 58.33% | 0 | 0.00% | 0 |
| 1911 | 141 | 1,597 | 849 | 53.16% | 748 | 46.84% | 0 | 0.00% | 1,451 |
| 1916 | 157 | 1,778 | 940 | 52.87% | 838 | 47.13% | 0 | 0.00% | 0 |
| 1921 | 136 | 1,840 | 955 | 51.90% | 885 | 48.10% | 0 | 0.00% | 1,469 |
| 1925 | 180 | 1,859 | 969 | 52.12% | 890 | 47.88% | 0 | 0.00% | 0 |
| 1930 | 151 | 1,913 | 997 | 52.12% | 916 | 47.88% | 0 | 0.00% | 0 |
| 1940 | 830 | 15 | 9 | 60.00% | 6 | 40.00% | 0 | 0.00% | 0 |