| Year | Pop. | ±% p.a. |
|---|
| 1793 | 1,100 | — |
|---|
| 1800 | 1,416 | +3.67% |
|---|
| 1806 | 1,398 | −0.21% |
|---|
| 1821 | 1,491 | +0.43% |
|---|
| 1831 | 1,877 | +2.33% |
|---|
| 1836 | 1,844 | −0.35% |
|---|
| 1841 | 1,966 | +1.29% |
|---|
| 1846 | 1,926 | −0.41% |
|---|
| 1851 | 2,129 | +2.02% |
|---|
| 1856 | 2,077 | −0.49% |
|---|
| 1861 | 2,574 | +4.38% |
|---|
| 1866 | 3,000 | +3.11% |
|---|
| 1872 | 3,225 | +1.21% |
|---|
| 1876 | 3,537 | +2.34% |
|---|
| 1881 | 3,164 | −2.20% |
|---|
| 1886 | 3,326 | +1.00% |
|---|
| 1891 | 3,603 | +1.61% |
|---|
| 1896 | 3,902 | +1.61% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 4,470 | +2.76% |
|---|
| 1906 | 4,668 | +0.87% |
|---|
| 1911 | 5,174 | +2.08% |
|---|
| 1921 | 5,283 | +0.21% |
|---|
| 1926 | 5,483 | +0.75% |
|---|
| 1931 | 5,859 | +1.34% |
|---|
| 1936 | 6,243 | +1.28% |
|---|
| 1946 | 6,096 | −0.24% |
|---|
| 1954 | 6,998 | +1.74% |
|---|
| 1962 | 8,309 | +2.17% |
|---|
| 1968 | 11,141 | +5.01% |
|---|
| 1975 | 12,238 | +1.35% |
|---|
| 1982 | 14,951 | +2.90% |
|---|
| 1990 | 16,245 | +1.04% |
|---|
| 1999 | 19,145 | +1.84% |
|---|
| 2007 | 23,068 | +2.36% |
|---|
| 2012 | 22,728 | −0.30% |
|---|
| 2017 | 22,762 | +0.03% |
|---|
|