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Census data for Øster Herred
| 1787 | 5 | 145 | 4,011 | 1,879 | 46.85% | 2,131 | 53.13% | 1 | 0.02% | 0 |
| 1801 | 5 | 191 | 4,413 | 2,111 | 47.84% | 2,302 | 52.16% | 0 | 0.00% | 0 |
| 1834 | 5 | 140 | 5,445 | 2,633 | 48.36% | 2,812 | 51.64% | 0 | 0.00% | 0 |
| 1840 | 5 | 115 | 4,630 | 2,244 | 48.47% | 2,386 | 51.53% | 0 | 0.00% | 0 |
| 1845 | 5 | 150 | 5,787 | 2,752 | 47.55% | 3,034 | 52.43% | 1 | 0.02% | 0 |
| 1850 | 5 | 161 | 5,957 | 2,867 | 48.13% | 3,089 | 51.85% | 1 | 0.02% | 50 |
| 1855 | 5 | 268 | 5,931 | 2,870 | 48.39% | 3,061 | 51.61% | 0 | 0.00% | 0 |
| 1860 | 5 | 125 | 6,239 | 3,011 | 48.26% | 3,228 | 51.74% | 0 | 0.00% | 0 |
| 1870 | 5 | 433 | 6,870 | 3,305 | 48.11% | 3,563 | 51.86% | 2 | 0.03% | 0 |
| 1880 | 5 | 545 | 7,312 | 3,535 | 48.35% | 3,777 | 51.65% | 0 | 0.00% | 0 |
| 1890 | 5 | 697 | 7,670 | 3,681 | 47.99% | 3,989 | 52.01% | 0 | 0.00% | 1 |
| 1901 | 5 | 5,358 | 7,590 | 3,625 | 47.76% | 3,965 | 52.24% | 0 | 0.00% | 5,938 |
| 1906 | 5 | 1,606 | 746 | 326 | 43.70% | 420 | 56.30% | 0 | 0.00% | 0 |
| 1911 | 5 | 1,669 | 10 | 5 | 50.00% | 4 | 40.00% | 1 | 10.00% | 0 |
| 1916 | 5 | 1,730 | 6 | 2 | 33.33% | 4 | 66.67% | 0 | 0.00% | 0 |
| 1921 | 5 | 1,360 | 4,222 | 2,117 | 50.14% | 2,101 | 49.76% | 4 | 0.09% | 0 |
| 1925 | 5 | 1,948 | 16 | 2 | 12.50% | 3 | 18.75% | 11 | 68.75% | 0 |
| 1930 | 5 | 1,510 | 3,492 | 1,842 | 52.75% | 1,650 | 47.25% | 0 | 0.00% | 1,646 |
| 1940 | 5 | 4,572 | 8,179 | 4,217 | 51.56% | 3,962 | 48.44% | 0 | 0.00% | 0 |
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