Census data for Tårs parish
| 1787 | 21 | 888 | 439 | 49.44% | 448 | 50.45% | 1 | 0.11% | 0 |
| 1801 | 30 | 956 | 465 | 48.64% | 491 | 51.36% | 0 | 0.00% | 0 |
| 1834 | 49 | 1,567 | 749 | 47.80% | 818 | 52.20% | 0 | 0.00% | 0 |
| 1840 | 35 | 1,578 | 765 | 48.48% | 811 | 51.39% | 2 | 0.13% | 0 |
| 1845 | 51 | 1,681 | 806 | 47.95% | 874 | 51.99% | 1 | 0.06% | 0 |
| 1850 | 57 | 1,768 | 854 | 48.30% | 914 | 51.70% | 0 | 0.00% | 0 |
| 1855 | 76 | 1,912 | 920 | 48.12% | 992 | 51.88% | 0 | 0.00% | 0 |
| 1860 | 36 | 2,041 | 995 | 48.75% | 1,046 | 51.25% | 0 | 0.00% | 0 |
| 1870 | 132 | 2,356 | 1,169 | 49.62% | 1,187 | 50.38% | 0 | 0.00% | 0 |
| 1880 | 196 | 2,654 | 1,314 | 49.51% | 1,340 | 50.49% | 0 | 0.00% | 0 |
| 1890 | 233 | 2,835 | 1,418 | 50.02% | 1,417 | 49.98% | 0 | 0.00% | 0 |
| 1901 | 1,840 | 3,082 | 1,516 | 49.19% | 1,566 | 50.81% | 0 | 0.00% | 807 |
| 1906 | 257 | 269 | 135 | 50.19% | 134 | 49.81% | 0 | 0.00% | 0 |
| 1911 | 300 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1916 | 306 | 26 | 10 | 38.46% | 16 | 61.54% | 0 | 0.00% | 0 |
| 1921 | 235 | 3,594 | 1,774 | 49.36% | 1,820 | 50.64% | 0 | 0.00% | 0 |
| 1925 | 387 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | 301 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1940 | 2,053 | 60 | 33 | 55.00% | 27 | 45.00% | 0 | 0.00% | 0 |