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Census data for Frederiksberg parish
| 1787 | 35 | 1,140 | 523 | 45.88% | 617 | 54.12% | 0 | 0.00% | 0 |
| 1801 | 38 | 1,172 | 551 | 47.01% | 621 | 52.99% | 0 | 0.00% | 0 |
| 1834 | 43 | 1,921 | 955 | 49.71% | 966 | 50.29% | 0 | 0.00% | 0 |
| 1840 | 81 | 2,304 | 1,211 | 52.56% | 1,092 | 47.40% | 1 | 0.04% | 0 |
| 1845 | 101 | 2,513 | 1,258 | 50.06% | 1,255 | 49.94% | 0 | 0.00% | 0 |
| 1850 | 114 | 2,962 | 1,429 | 48.24% | 1,533 | 51.76% | 0 | 0.00% | 0 |
| 1855 | 297 | 4,342 | 2,081 | 47.93% | 2,261 | 52.07% | 0 | 0.00% | 0 |
| 1860 | 328 | 8,145 | 3,968 | 48.72% | 4,176 | 51.27% | 1 | 0.01% | 0 |
| 1870 | 1,696 | 14,844 | 7,161 | 48.24% | 7,681 | 51.74% | 2 | 0.01% | 14,581 |
| 1880 | 3,582 | 29,013 | 13,278 | 45.77% | 15,729 | 54.21% | 6 | 0.02% | 22,934 |
| 1885 | 3,524 | 28,386 | 12,947 | 45.61% | 15,423 | 54.33% | 16 | 0.06% | 21,328 |
| 1890 | 6,405 | 6,079 | 2,621 | 43.12% | 3,185 | 52.39% | 273 | 4.49% | 0 |
| 1895 | 5,509 | 1,413 | 580 | 41.05% | 810 | 57.32% | 23 | 1.63% | |
| 1901 | 10,033 | 69,522 | 30,699 | 44.16% | 38,818 | 55.84% | 5 | 0.01% | 103 |
| 1906 | 12,852 | 694 | 341 | 49.14% | 353 | 50.86% | 0 | 0.00% | 0 |
| 1911 | 14,326 | 204 | 81 | 39.71% | 114 | 55.88% | 9 | 4.41% | 0 |
| 1916 | 29,550 | 45 | 26 | 57.78% | 19 | 42.22% | 0 | 0.00% | 0 |
| 1921 | 12,989 | 25,846 | 11,860 | 45.89% | 13,976 | 54.07% | 10 | 0.04% | 22,958 |
| 1925 | 19,931 | 39,904 | 16,537 | 41.44% | 23,310 | 58.42% | 57 | 0.14% | 33,945 |
| 1930 | 61,379 | 4,265 | 1,869 | 43.82% | 2,393 | 56.11% | 3 | 0.07% | 4,211 |
| 1940 | 82,337 | 2,173 | 969 | 44.59% | 1,203 | 55.36% | 1 | 0.05% | 0 |
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