| Year | Pop. | ±% p.a. |
|---|
| 1793 | 6,695 | — |
|---|
| 1800 | 6,869 | +0.37% |
|---|
| 1806 | 6,888 | +0.05% |
|---|
| 1821 | 7,255 | +0.35% |
|---|
| 1831 | 7,438 | +0.25% |
|---|
| 1836 | 7,299 | −0.38% |
|---|
| 1841 | 7,772 | +1.26% |
|---|
| 1846 | 7,873 | +0.26% |
|---|
| 1851 | 8,640 | +1.88% |
|---|
| 1856 | 8,099 | −1.28% |
|---|
| 1861 | 8,433 | +0.81% |
|---|
| 1866 | 8,011 | −1.02% |
|---|
| 1872 | 8,053 | +0.09% |
|---|
| 1876 | 6,963 | −3.57% |
|---|
| 1881 | 6,483 | −1.42% |
|---|
| 1886 | 6,494 | +0.03% |
|---|
| 1891 | 5,918 | −1.84% |
|---|
| 1896 | 5,659 | −0.89% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 6,280 | +2.10% |
|---|
| 1906 | 5,734 | −1.80% |
|---|
| 1911 | 7,450 | +5.38% |
|---|
| 1921 | 6,304 | −1.66% |
|---|
| 1926 | 8,876 | +7.08% |
|---|
| 1931 | 9,394 | +1.14% |
|---|
| 1936 | 10,489 | +2.23% |
|---|
| 1946 | 11,295 | +0.74% |
|---|
| 1954 | 15,150 | +3.74% |
|---|
| 1962 | 21,515 | +4.48% |
|---|
| 1968 | 27,945 | +4.45% |
|---|
| 1975 | 38,373 | +4.63% |
|---|
| 1982 | 42,037 | +1.31% |
|---|
| 1990 | 42,678 | +0.19% |
|---|
| 1999 | 43,497 | +0.21% |
|---|
| 2007 | 46,247 | +0.77% |
|---|
| 2012 | 47,624 | +0.59% |
|---|
| 2017 | 48,188 | +0.24% |
|---|
|