| Year | Pop. | ±% p.a. |
|---|
| 1793 | 1,545 | — |
|---|
| 1800 | 1,145 | −4.19% |
|---|
| 1806 | 1,332 | +2.55% |
|---|
| 1821 | 1,218 | −0.59% |
|---|
| 1831 | 1,334 | +0.91% |
|---|
| 1836 | 2,700 | +15.14% |
|---|
| 1841 | 4,012 | +8.24% |
|---|
| 1846 | 6,303 | +9.46% |
|---|
| 1851 | 8,083 | +5.10% |
|---|
| 1856 | 13,390 | +10.62% |
|---|
| 1861 | 16,094 | +3.75% |
|---|
| 1866 | 23,872 | +8.20% |
|---|
| 1872 | 22,890 | −0.70% |
|---|
| 1876 | 26,432 | +3.66% |
|---|
| 1881 | 28,125 | +1.25% |
|---|
| 1886 | 27,301 | −0.59% |
|---|
| 1891 | 28,635 | +0.96% |
|---|
| 1896 | 32,034 | +2.27% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 30,584 | −0.92% |
|---|
| 1906 | 33,437 | +1.80% |
|---|
| 1911 | 35,587 | +1.25% |
|---|
| 1921 | 38,396 | +0.76% |
|---|
| 1926 | 32,419 | −3.33% |
|---|
| 1931 | 32,034 | −0.24% |
|---|
| 1936 | 29,417 | −1.69% |
|---|
| 1946 | 24,106 | −1.97% |
|---|
| 1954 | 28,663 | +2.19% |
|---|
| 1962 | 33,737 | +2.06% |
|---|
| 1968 | 34,102 | +0.18% |
|---|
| 1975 | 33,366 | −0.31% |
|---|
| 1982 | 32,149 | −0.53% |
|---|
| 1990 | 28,909 | −1.32% |
|---|
| 1999 | 26,283 | −1.05% |
|---|
| 2007 | 23,793 | −1.24% |
|---|
| 2012 | 22,574 | −1.05% |
|---|
| 2017 | 21,630 | −0.85% |
|---|
|