| Year | Pop. | ±% p.a. |
|---|
| 1793 | 1,400 | — |
|---|
| 1800 | 1,231 | −1.82% |
|---|
| 1806 | 1,295 | +0.85% |
|---|
| 1821 | 1,324 | +0.15% |
|---|
| 1831 | 1,377 | +0.39% |
|---|
| 1836 | 1,318 | −0.87% |
|---|
| 1841 | 1,535 | +3.10% |
|---|
| 1846 | 1,622 | +1.11% |
|---|
| 1851 | 1,779 | +1.87% |
|---|
| 1856 | 1,991 | +2.28% |
|---|
| 1861 | 2,161 | +1.65% |
|---|
| 1866 | 2,276 | +1.04% |
|---|
| 1872 | 2,200 | −0.56% |
|---|
| 1876 | 2,408 | +2.28% |
|---|
| 1881 | 2,733 | +2.56% |
|---|
| 1886 | 3,075 | +2.39% |
|---|
| 1891 | 3,143 | +0.44% |
|---|
| 1896 | 3,316 | +1.08% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 3,335 | +0.11% |
|---|
| 1906 | 3,635 | +1.74% |
|---|
| 1911 | 4,020 | +2.03% |
|---|
| 1921 | 4,507 | +1.15% |
|---|
| 1926 | 5,416 | +3.74% |
|---|
| 1931 | 6,215 | +2.79% |
|---|
| 1936 | 6,764 | +1.71% |
|---|
| 1946 | 8,766 | +2.63% |
|---|
| 1954 | 9,989 | +1.65% |
|---|
| 1962 | 13,401 | +3.74% |
|---|
| 1968 | 21,263 | +8.00% |
|---|
| 1975 | 22,975 | +1.11% |
|---|
| 1982 | 21,073 | −1.23% |
|---|
| 1990 | 25,609 | +2.47% |
|---|
| 1999 | 27,500 | +0.79% |
|---|
| 2007 | 29,339 | +0.81% |
|---|
| 2012 | 29,804 | +0.31% |
|---|
| 2017 | 34,090 | +2.72% |
|---|
|