| Year | Pop. | ±% p.a. |
|---|
| 1793 | 5,193 | — |
|---|
| 1800 | 5,192 | −0.00% |
|---|
| 1806 | 5,750 | +1.72% |
|---|
| 1821 | 6,360 | +0.67% |
|---|
| 1831 | 6,911 | +0.83% |
|---|
| 1836 | 7,041 | +0.37% |
|---|
| 1841 | 7,195 | +0.43% |
|---|
| 1846 | 7,428 | +0.64% |
|---|
| 1851 | 7,405 | −0.06% |
|---|
| 1856 | 7,431 | +0.07% |
|---|
| 1861 | 7,779 | +0.92% |
|---|
| 1866 | 8,034 | +0.65% |
|---|
| 1872 | 8,034 | +0.00% |
|---|
| 1876 | 8,454 | +1.28% |
|---|
| 1881 | 8,591 | +0.32% |
|---|
| 1886 | 9,144 | +1.26% |
|---|
| 1891 | 9,077 | −0.15% |
|---|
| 1896 | 9,405 | +0.71% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 9,850 | +0.93% |
|---|
| 1906 | 9,952 | +0.21% |
|---|
| 1911 | 9,416 | −1.10% |
|---|
| 1921 | 8,991 | −0.46% |
|---|
| 1926 | 10,451 | +3.06% |
|---|
| 1931 | 11,743 | +2.36% |
|---|
| 1936 | 12,522 | +1.29% |
|---|
| 1946 | 13,804 | +0.98% |
|---|
| 1954 | 14,831 | +0.90% |
|---|
| 1962 | 17,058 | +1.76% |
|---|
| 1968 | 18,544 | +1.40% |
|---|
| 1975 | 21,259 | +1.97% |
|---|
| 1982 | 20,615 | −0.44% |
|---|
| 1990 | 23,102 | +1.43% |
|---|
| 1999 | 24,563 | +0.68% |
|---|
| 2009 | 24,723 | +0.06% |
|---|
| 2014 | 26,201 | +1.17% |
|---|
| 2020 | 25,832 | −0.24% |
|---|
|