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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 | 14,930 | 7,197 | 48.20% | 7,731 | 51.78% | 2 | 0.01% | 14,655 |
| 1880 | 3,582 | 28,948 | 13,240 | 45.74% | 15,702 | 54.24% | 6 | 0.02% | 4,459 |
| 1885 | 3,589 | 29,215 | 13,321 | 45.60% | 15,878 | 54.35% | 16 | 0.05% | 21,285 |
| 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 | 10,044 | 69,560 | 30,712 | 44.15% | 38,843 | 55.84% | 5 | 0.01% | 137 |
| 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 | 25,830 | 11,855 | 45.90% | 13,967 | 54.07% | 8 | 0.03% | 17,689 |
| 1925 | 19,654 | 39,690 | 16,450 | 41.45% | 23,185 | 58.42% | 55 | 0.14% | 32,061 |
| 1930 | 61,379 | 4,256 | 1,864 | 43.80% | 2,390 | 56.16% | 2 | 0.05% | 3,586 |
| 1940 | 82,337 | 2,178 | 971 | 44.58% | 1,206 | 55.37% | 1 | 0.05% | 0 |
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