| Year | Pop. | ±% p.a. |
|---|
| 1793 | 4,080 | — |
|---|
| 1800 | 4,160 | +0.28% |
|---|
| 1806 | 4,730 | +2.16% |
|---|
| 1821 | 4,422 | −0.45% |
|---|
| 1831 | 4,697 | +0.61% |
|---|
| 1836 | 4,761 | +0.27% |
|---|
| 1841 | 4,995 | +0.96% |
|---|
| 1846 | 5,413 | +1.62% |
|---|
| 1851 | 5,629 | +0.79% |
|---|
| 1856 | 5,381 | −0.90% |
|---|
| 1861 | 5,761 | +1.37% |
|---|
| 1866 | 6,519 | +2.50% |
|---|
| 1872 | 6,623 | +0.26% |
|---|
| 1876 | 6,902 | +1.04% |
|---|
| 1881 | 7,015 | +0.33% |
|---|
| 1886 | 7,296 | +0.79% |
|---|
| 1891 | 6,863 | −1.22% |
|---|
| 1896 | 7,063 | +0.58% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 7,083 | +0.06% |
|---|
| 1906 | 7,347 | +0.73% |
|---|
| 1911 | 7,771 | +1.13% |
|---|
| 1921 | 7,751 | −0.03% |
|---|
| 1926 | 8,266 | +1.29% |
|---|
| 1931 | 8,154 | −0.27% |
|---|
| 1936 | 7,928 | −0.56% |
|---|
| 1946 | 8,094 | +0.21% |
|---|
| 1954 | 8,841 | +1.11% |
|---|
| 1962 | 10,006 | +1.56% |
|---|
| 1968 | 11,049 | +1.67% |
|---|
| 1975 | 13,491 | +2.89% |
|---|
| 1982 | 14,557 | +1.09% |
|---|
| 1990 | 15,312 | +0.63% |
|---|
| 1999 | 14,967 | −0.25% |
|---|
| 2007 | 14,794 | −0.15% |
|---|
| 2012 | 14,329 | −0.64% |
|---|
| 2017 | 15,107 | +1.06% |
|---|
|