| Year | Pop. | ±% p.a. |
|---|
| 1793 | 3,105 | — |
|---|
| 1800 | 2,657 | −2.20% |
|---|
| 1806 | 2,597 | −0.38% |
|---|
| 1821 | 2,949 | +0.85% |
|---|
| 1831 | 3,147 | +0.65% |
|---|
| 1836 | 3,006 | −0.91% |
|---|
| 1841 | 3,835 | +4.99% |
|---|
| 1846 | 4,089 | +1.29% |
|---|
| 1851 | 4,130 | +0.20% |
|---|
| 1856 | 4,363 | +1.10% |
|---|
| 1861 | 4,258 | −0.49% |
|---|
| 1866 | 3,971 | −1.39% |
|---|
| 1872 | 4,725 | +2.94% |
|---|
| 1876 | 4,750 | +0.13% |
|---|
| 1881 | 5,186 | +1.77% |
|---|
| 1886 | 5,633 | +1.67% |
|---|
| 1891 | 5,897 | +0.92% |
|---|
| 1896 | 6,090 | +0.65% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 6,176 | +0.28% |
|---|
| 1906 | 6,165 | −0.04% |
|---|
| 1911 | 6,484 | +1.01% |
|---|
| 1921 | 6,223 | −0.41% |
|---|
| 1926 | 6,720 | +1.55% |
|---|
| 1931 | 7,001 | +0.82% |
|---|
| 1936 | 7,267 | +0.75% |
|---|
| 1946 | 7,446 | +0.24% |
|---|
| 1954 | 8,923 | +2.29% |
|---|
| 1962 | 11,387 | +3.09% |
|---|
| 1968 | 14,505 | +4.12% |
|---|
| 1975 | 18,941 | +3.89% |
|---|
| 1982 | 21,438 | +1.78% |
|---|
| 1990 | 24,343 | +1.60% |
|---|
| 1999 | 24,758 | +0.19% |
|---|
| 2007 | 26,157 | +0.69% |
|---|
| 2012 | 25,833 | −0.25% |
|---|
| 2017 | 26,736 | +0.69% |
|---|
|