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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 | 552 | 47.10% | 620 | 52.90% | 0 | 0.00% | 0 |
| 1834 | 43 | 1,921 | 959 | 49.92% | 962 | 50.08% | 0 | 0.00% | 0 |
| 1840 | 81 | 2,304 | 1,241 | 53.86% | 1,062 | 46.09% | 1 | 0.04% | 0 |
| 1845 | 101 | 2,513 | 1,265 | 50.34% | 1,248 | 49.66% | 0 | 0.00% | 0 |
| 1850 | 114 | 2,962 | 1,431 | 48.31% | 1,531 | 51.69% | 0 | 0.00% | 0 |
| 1855 | 297 | 4,342 | 2,080 | 47.90% | 2,262 | 52.10% | 0 | 0.00% | 0 |
| 1860 | 328 | 8,145 | 3,968 | 48.72% | 4,176 | 51.27% | 1 | 0.01% | 0 |
| 1870 | 1,696 | 24 | 8 | 33.33% | 14 | 58.33% | 2 | 8.33% | |
| 1880 | 3,582 | 27,788 | 12,799 | 46.06% | 14,984 | 53.92% | 5 | 0.02% | 22,391 |
| 1885 | 3,524 | 28,564 | 12,989 | 45.47% | 15,558 | 54.47% | 17 | 0.06% | 21,073 |
| 1890 | 6,405 | 6,079 | 2,545 | 41.87% | 3,013 | 49.56% | 521 | 8.57% | |
| 1895 | 5,509 | 1,266 | 497 | 39.26% | 699 | 55.21% | 70 | 5.53% | |
| 1901 | 10,244 | 40,461 | 17,908 | 44.26% | 22,534 | 55.69% | 19 | 0.05% | 39,490 |
| 1906 | 12,852 | 692 | 340 | 49.13% | 352 | 50.87% | 0 | 0.00% | 0 |
| 1911 | 14,326 | 185 | 72 | 38.92% | 95 | 51.35% | 18 | 9.73% | 0 |
| 1916 | 29,550 | 34 | 19 | 55.88% | 15 | 44.12% | 0 | 0.00% | 0 |
| 1921 | 12,950 | 25,845 | 11,812 | 45.70% | 14,012 | 54.22% | 21 | 0.08% | 23,739 |
| 1925 | 19,931 | 39,913 | 16,537 | 41.43% | 23,279 | 58.32% | 97 | 0.24% | 36,352 |
| 1930 | 61,379 | 4,264 | 1,866 | 43.76% | 2,395 | 56.17% | 3 | 0.07% | 4,224 |
| 1940 | 82,337 | 2,155 | 960 | 44.55% | 1,194 | 55.41% | 1 | 0.05% | 0 |
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