| Year | Pop. | ±% p.a. |
|---|
| 1793 | 7,335 | — |
|---|
| 1800 | 8,394 | +1.95% |
|---|
| 1806 | 9,000 | +1.17% |
|---|
| 1821 | 9,956 | +0.68% |
|---|
| 1831 | 10,420 | +0.46% |
|---|
| 1836 | 11,313 | +1.66% |
|---|
| 1841 | 12,484 | +1.99% |
|---|
| 1846 | 13,239 | +1.18% |
|---|
| 1851 | 12,813 | −0.65% |
|---|
| 1856 | 14,888 | +3.05% |
|---|
| 1861 | 15,341 | +0.60% |
|---|
| 1866 | 15,812 | +0.61% |
|---|
| 1872 | 15,253 | −0.60% |
|---|
| 1876 | 16,355 | +1.76% |
|---|
| 1881 | 17,833 | +1.75% |
|---|
| 1886 | 19,240 | +1.53% |
|---|
| 1891 | 19,948 | +0.73% |
|---|
| 1896 | 21,665 | +1.67% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 22,198 | +0.49% |
|---|
| 1906 | 23,041 | +0.75% |
|---|
| 1911 | 23,945 | +0.77% |
|---|
| 1921 | 24,511 | +0.23% |
|---|
| 1926 | 26,043 | +1.22% |
|---|
| 1931 | 28,320 | +1.69% |
|---|
| 1936 | 31,640 | +2.24% |
|---|
| 1946 | 36,674 | +1.49% |
|---|
| 1954 | 37,670 | +0.34% |
|---|
| 1962 | 43,142 | +1.71% |
|---|
| 1968 | 50,281 | +2.59% |
|---|
| 1975 | 52,559 | +0.63% |
|---|
| 1982 | 48,563 | −1.12% |
|---|
| 1990 | 44,752 | −1.02% |
|---|
| 1999 | 46,087 | +0.33% |
|---|
| 2007 | 46,178 | +0.02% |
|---|
| 2012 | 45,936 | −0.11% |
|---|
| 2017 | 44,372 | −0.69% |
|---|
|