| Year | Pop. | ±% p.a. |
|---|
| 1793 | 2,081 | — |
|---|
| 1800 | 2,365 | +1.84% |
|---|
| 1806 | 2,316 | −0.35% |
|---|
| 1821 | 2,381 | +0.18% |
|---|
| 1831 | 2,551 | +0.69% |
|---|
| 1836 | 2,645 | +0.73% |
|---|
| 1841 | 2,673 | +0.21% |
|---|
| 1846 | 2,807 | +0.98% |
|---|
| 1851 | 2,796 | −0.08% |
|---|
| 1856 | 3,341 | +3.63% |
|---|
| 1861 | 4,506 | +6.17% |
|---|
| 1866 | 5,738 | +4.95% |
|---|
| 1872 | 7,298 | +4.09% |
|---|
| 1876 | 9,383 | +6.48% |
|---|
| 1881 | 10,515 | +2.30% |
|---|
| 1886 | 11,780 | +2.30% |
|---|
| 1891 | 13,862 | +3.31% |
|---|
| 1896 | 17,227 | +4.44% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 24,370 | +7.18% |
|---|
| 1906 | 27,744 | +2.63% |
|---|
| 1911 | 31,812 | +2.77% |
|---|
| 1921 | 14,259 | −7.71% |
|---|
| 1926 | 30,155 | +16.16% |
|---|
| 1931 | 33,513 | +2.13% |
|---|
| 1936 | 32,730 | −0.47% |
|---|
| 1946 | 34,342 | +0.48% |
|---|
| 1954 | 40,753 | +2.16% |
|---|
| 1962 | 42,590 | +0.55% |
|---|
| 1968 | 41,874 | −0.28% |
|---|
| 1975 | 40,199 | −0.58% |
|---|
| 1982 | 38,244 | −0.71% |
|---|
| 1990 | 35,017 | −1.10% |
|---|
| 1999 | 36,206 | +0.37% |
|---|
| 2007 | 36,011 | −0.07% |
|---|
| 2012 | 32,663 | −1.93% |
|---|
| 2017 | 31,415 | −0.78% |
|---|
|