| Year | Pop. | ±% p.a. |
|---|
| 1793 | 4,170 | — |
|---|
| 1800 | 4,227 | +0.19% |
|---|
| 1806 | 4,196 | −0.12% |
|---|
| 1821 | 5,554 | +1.89% |
|---|
| 1831 | 6,260 | +1.20% |
|---|
| 1836 | 6,320 | +0.19% |
|---|
| 1841 | 6,385 | +0.20% |
|---|
| 1846 | 6,639 | +0.78% |
|---|
| 1851 | 6,392 | −0.76% |
|---|
| 1856 | 6,712 | +0.98% |
|---|
| 1861 | 6,737 | +0.07% |
|---|
| 1866 | 6,989 | +0.74% |
|---|
| 1872 | 7,281 | +0.68% |
|---|
| 1876 | 8,315 | +3.38% |
|---|
| 1881 | 6,487 | −4.84% |
|---|
| 1886 | 6,667 | +0.55% |
|---|
| 1891 | 6,793 | +0.38% |
|---|
| 1896 | 7,203 | +1.18% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1901 | 7,532 | +0.90% |
|---|
| 1906 | 7,489 | −0.11% |
|---|
| 1911 | 7,730 | +0.64% |
|---|
| 1921 | 7,539 | −0.25% |
|---|
| 1926 | 8,268 | +1.86% |
|---|
| 1931 | 8,435 | +0.40% |
|---|
| 1936 | 7,665 | −1.90% |
|---|
| 1946 | 7,775 | +0.14% |
|---|
| 1954 | 7,758 | −0.03% |
|---|
| 1962 | 8,872 | +1.69% |
|---|
| 1968 | 10,735 | +3.23% |
|---|
| 1975 | 13,452 | +3.28% |
|---|
| 1982 | 15,648 | +2.18% |
|---|
| 1990 | 18,404 | +2.05% |
|---|
| 1999 | 22,352 | +2.18% |
|---|
| 2007 | 24,044 | +0.92% |
|---|
| 2012 | 25,405 | +1.11% |
|---|
| 2017 | 26,239 | +0.65% |
|---|
|