Census data for Volstrup parish
| 1787 | 34 | 840 | 405 | 48.21% | 435 | 51.79% | 0 | 0.00% | 0 |
| 1801 | 26 | 825 | 406 | 49.21% | 419 | 50.79% | 0 | 0.00% | 0 |
| 1834 | 29 | 939 | 480 | 51.12% | 459 | 48.88% | 0 | 0.00% | 0 |
| 1840 | 27 | 961 | 492 | 51.20% | 469 | 48.80% | 0 | 0.00% | 0 |
| 1845 | 32 | 1,018 | 521 | 51.18% | 497 | 48.82% | 0 | 0.00% | 0 |
| 1850 | 29 | 1,029 | 519 | 50.44% | 510 | 49.56% | 0 | 0.00% | 0 |
| 1855 | 44 | 1,041 | 513 | 49.28% | 528 | 50.72% | 0 | 0.00% | 0 |
| 1860 | 29 | 1,127 | 565 | 50.13% | 562 | 49.87% | 0 | 0.00% | 0 |
| 1870 | 67 | 1,278 | 650 | 50.86% | 628 | 49.14% | 0 | 0.00% | 0 |
| 1880 | 109 | 1,570 | 778 | 49.55% | 792 | 50.45% | 0 | 0.00% | 1,281 |
| 1890 | 135 | 1,661 | 814 | 49.01% | 847 | 50.99% | 0 | 0.00% | 0 |
| 1901 | 982 | 1,778 | 874 | 49.16% | 904 | 50.84% | 0 | 0.00% | 1,688 |
| 1906 | 158 | 354 | 169 | 47.74% | 185 | 52.26% | 0 | 0.00% | 0 |
| 1911 | 169 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1916 | 192 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1921 | 160 | 1,901 | 969 | 50.97% | 932 | 49.03% | 0 | 0.00% | 0 |
| 1925 | 164 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | 138 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1940 | 868 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |