| Year | Pop. | ±% p.a. |
|---|
| 1793 | 537 | — |
|---|
| 1800 | 537 | +0.00% |
|---|
| 1806 | 650 | +3.23% |
|---|
| 1821 | 794 | +1.34% |
|---|
| 1831 | 1,385 | +5.72% |
|---|
| 1836 | 1,526 | +1.96% |
|---|
| 1841 | 1,562 | +0.47% |
|---|
| 1846 | 1,770 | +2.53% |
|---|
| 1851 | 1,806 | +0.40% |
|---|
| 1856 | 1,822 | +0.18% |
|---|
| 1861 | 2,330 | +5.04% |
|---|
| 1866 | 2,543 | +1.76% |
|---|
| 1872 | 2,310 | −1.59% |
|---|
| 1876 | 2,361 | +0.55% |
|---|
| 1881 | 2,564 | +1.66% |
|---|
| 1886 | 2,924 | +2.66% |
|---|
| 1891 | 2,842 | −0.57% |
|---|
| 1896 | 3,028 | +1.28% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 3,633 | +3.71% |
|---|
| 1906 | 3,758 | +0.68% |
|---|
| 1911 | 4,321 | +2.83% |
|---|
| 1921 | 6,465 | +4.11% |
|---|
| 1926 | 8,727 | +6.18% |
|---|
| 1931 | 10,948 | +4.64% |
|---|
| 1936 | 12,474 | +2.64% |
|---|
| 1946 | 13,226 | +0.59% |
|---|
| 1954 | 14,508 | +1.16% |
|---|
| 1962 | 16,787 | +1.84% |
|---|
| 1968 | 17,476 | +0.67% |
|---|
| 1975 | 19,086 | +1.27% |
|---|
| 1982 | 17,914 | −0.90% |
|---|
| 1990 | 17,784 | −0.09% |
|---|
| 1999 | 17,966 | +0.11% |
|---|
| 2007 | 18,576 | +0.42% |
|---|
| 2012 | 19,343 | +0.81% |
|---|
| 2017 | 20,520 | +1.19% |
|---|
|