| Year | Pop. | ±% p.a. |
|---|
| 1793 | 6,240 | — |
|---|
| 1800 | 6,320 | +0.18% |
|---|
| 1806 | 5,864 | −1.24% |
|---|
| 1821 | 7,161 | +1.34% |
|---|
| 1831 | 7,560 | +0.54% |
|---|
| 1836 | 7,966 | +1.05% |
|---|
| 1841 | 8,245 | +0.69% |
|---|
| 1846 | 9,445 | +2.75% |
|---|
| 1851 | 9,362 | −0.18% |
|---|
| 1856 | 11,523 | +4.24% |
|---|
| 1861 | 12,044 | +0.89% |
|---|
| 1866 | 11,100 | −1.62% |
|---|
| 1872 | 11,122 | +0.03% |
|---|
| 1876 | 11,946 | +1.80% |
|---|
| 1881 | 12,894 | +1.54% |
|---|
| 1886 | 14,014 | +1.68% |
|---|
| 1891 | 13,764 | −0.36% |
|---|
| 1896 | 13,741 | −0.03% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 13,351 | −0.57% |
|---|
| 1906 | 13,554 | +0.30% |
|---|
| 1911 | 13,281 | −0.41% |
|---|
| 1921 | 11,716 | −1.25% |
|---|
| 1926 | 11,210 | −0.88% |
|---|
| 1931 | 13,696 | +4.09% |
|---|
| 1936 | 15,187 | +2.09% |
|---|
| 1946 | 15,972 | +0.51% |
|---|
| 1954 | 16,639 | +0.51% |
|---|
| 1962 | 19,999 | +2.33% |
|---|
| 1968 | 26,748 | +4.97% |
|---|
| 1975 | 28,058 | +0.69% |
|---|
| 1982 | 29,161 | +0.55% |
|---|
| 1990 | 29,982 | +0.35% |
|---|
| 1999 | 31,344 | +0.49% |
|---|
| 2007 | 34,636 | +1.26% |
|---|
| 2012 | 35,704 | +0.61% |
|---|
| 2017 | 39,097 | +1.83% |
|---|
|