| Year | Pop. | ±% p.a. |
|---|
| 1793 | 1,040 | — |
|---|
| 1800 | 1,007 | −0.46% |
|---|
| 1806 | 1,061 | +0.87% |
|---|
| 1821 | 1,160 | +0.60% |
|---|
| 1831 | 1,564 | +3.03% |
|---|
| 1836 | 1,891 | +3.87% |
|---|
| 1841 | 3,404 | +12.48% |
|---|
| 1846 | 4,117 | +3.88% |
|---|
| 1851 | 4,082 | −0.17% |
|---|
| 1856 | 5,169 | +4.84% |
|---|
| 1861 | 5,172 | +0.01% |
|---|
| 1866 | 5,702 | +1.97% |
|---|
| 1872 | 6,333 | +1.76% |
|---|
| 1876 | 6,706 | +1.44% |
|---|
| 1881 | 6,617 | −0.27% |
|---|
| 1886 | 7,753 | +3.22% |
|---|
| 1891 | 7,924 | +0.44% |
|---|
| 1896 | 8,770 | +2.05% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 9,513 | +1.64% |
|---|
| 1906 | 10,640 | +2.26% |
|---|
| 1911 | 11,468 | +1.51% |
|---|
| 1921 | 12,197 | +0.62% |
|---|
| 1926 | 13,865 | +2.60% |
|---|
| 1931 | 14,233 | +0.53% |
|---|
| 1936 | 14,362 | +0.18% |
|---|
| 1946 | 14,678 | +0.22% |
|---|
| 1954 | 14,882 | +0.17% |
|---|
| 1962 | 18,367 | +2.66% |
|---|
| 1968 | 21,007 | +2.26% |
|---|
| 1975 | 21,530 | +0.35% |
|---|
| 1982 | 20,640 | −0.60% |
|---|
| 1990 | 20,657 | +0.01% |
|---|
| 1999 | 20,869 | +0.11% |
|---|
| 2007 | 21,043 | +0.10% |
|---|
| 2012 | 21,176 | +0.13% |
|---|
| 2017 | 22,233 | +0.98% |
|---|
|