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Census data for Lollands Nørre Herred
| 1787 | 14 | 245 | 8,041 | 4,056 | 50.44% | 3,975 | 49.43% | 10 | 0.12% | 0 |
| 1801 | 14 | 349 | 9,527 | 4,684 | 49.17% | 4,843 | 50.83% | 0 | 0.00% | 80 |
| 1834 | 14 | 430 | 11,648 | 6,415 | 55.07% | 5,221 | 44.82% | 12 | 0.10% | 0 |
| 1840 | 14 | 354 | 12,463 | 6,171 | 49.51% | 6,247 | 50.12% | 45 | 0.36% | 116 |
| 1845 | 14 | 439 | 12,955 | 6,292 | 48.57% | 6,660 | 51.41% | 3 | 0.02% | 66 |
| 1850 | 14 | 422 | 13,623 | 6,676 | 49.01% | 6,938 | 50.93% | 9 | 0.07% | 1 |
| 1855 | 14 | 581 | 14,589 | 7,091 | 48.61% | 7,498 | 51.39% | 0 | 0.00% | 228 |
| 1860 | 14 | 391 | 14,732 | 7,172 | 48.68% | 7,518 | 51.03% | 42 | 0.29% | 0 |
| 1870 | 14 | 1,943 | 5,398 | 2,617 | 48.48% | 2,770 | 51.32% | 11 | 0.20% | 4,066 |
| 1880 | 14 | 2,402 | 17,207 | 8,368 | 48.63% | 8,838 | 51.36% | 1 | 0.01% | 13,242 |
| 1890 | 14 | 2,877 | 18,700 | 9,002 | 48.14% | 9,695 | 51.84% | 3 | 0.02% | 17,145 |
| 1901 | 14 | 11,839 | 19,501 | 9,564 | 49.04% | 9,876 | 50.64% | 61 | 0.31% | 19,151 |
| 1906 | 14 | 5,676 | 3,184 | 1,573 | 49.40% | 1,611 | 50.60% | 0 | 0.00% | 0 |
| 1911 | 14 | 5,372 | 10,720 | 5,141 | 47.96% | 5,576 | 52.01% | 3 | 0.03% | 9,937 |
| 1916 | 14 | 6,172 | 19 | 10 | 52.63% | 9 | 47.37% | 0 | 0.00% | 0 |
| 1921 | 14 | 5,035 | 45 | 21 | 46.67% | 21 | 46.67% | 3 | 6.67% | |
| 1925 | 14 | 9,338 | 1,889 | 906 | 47.96% | 974 | 51.56% | 9 | 0.48% | 1,859 |
| 1930 | 14 | 9,512 | 1,427 | 732 | 51.30% | 689 | 48.28% | 6 | 0.42% | 0 |
| 1940 | 14 | 15,735 | 5,051 | 2,614 | 51.75% | 2,418 | 47.87% | 19 | 0.38% | 0 |
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