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Folketællinger i Ballerup sogn
| 1787 | 24 | 821 | 403 | 49,09% | 418 | 50,91% | 0 | 0,00% | 0 |
| 1801 | 41 | 878 | 432 | 49,20% | 446 | 50,80% | 0 | 0,00% | 0 |
| 1834 | 33 | 1.115 | 568 | 50,94% | 547 | 49,06% | 0 | 0,00% | 0 |
| 1840 | 47 | 1.204 | 602 | 50,00% | 602 | 50,00% | 0 | 0,00% | 0 |
| 1845 | 53 | 1.319 | 682 | 51,71% | 636 | 48,22% | 1 | 0,08% | 0 |
| 1850 | 47 | 1.372 | 709 | 51,68% | 663 | 48,32% | 0 | 0,00% | 0 |
| 1855 | 65 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1860 | 32 | 1.438 | 736 | 51,18% | 702 | 48,82% | 0 | 0,00% | 0 |
| 1870 | 75 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1880 | 118 | 1.550 | 787 | 50,77% | 763 | 49,23% | 0 | 0,00% | 1.273 |
| 1890 | 137 | 686 | 338 | 49,27% | 318 | 46,36% | 30 | 4,37% | |
| 1901 | 431 | 630 | 320 | 50,79% | 310 | 49,21% | 0 | 0,00% | 591 |
| 1906 | 141 | 36 | 19 | 52,78% | 17 | 47,22% | 0 | 0,00% | 0 |
| 1911 | 184 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1916 | 206 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1921 | 195 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1925 | 315 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1930 | 239 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
| 1940 | 4.419 | 0 | 0 | 0,00% | 0 | 0,00% | 0 | 0,00% | |
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