| Year | Pop. | ±% p.a. |
|---|
| 1793 | 1,423 | — |
|---|
| 1800 | 1,859 | +3.89% |
|---|
| 1806 | 1,822 | −0.33% |
|---|
| 1821 | 2,088 | +0.91% |
|---|
| 1831 | 2,347 | +1.18% |
|---|
| 1836 | 2,718 | +2.98% |
|---|
| 1841 | 2,692 | −0.19% |
|---|
| 1846 | 2,929 | +1.70% |
|---|
| 1851 | 3,137 | +1.38% |
|---|
| 1856 | 3,190 | +0.34% |
|---|
| 1861 | 3,401 | +1.29% |
|---|
| 1866 | 3,624 | +1.28% |
|---|
| 1871 | 3,860 | +1.27% |
|---|
| 1875 | 4,112 | +1.59% |
|---|
| 1880 | 4,931 | +3.70% |
|---|
| 1885 | 5,340 | +1.61% |
|---|
| 1890 | 6,045 | +2.51% |
|---|
| 1895 | 6,722 | +2.15% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1900 | 7,764 | +2.92% |
|---|
| 1905 | 9,012 | +3.03% |
|---|
| 1910 | 9,865 | +1.83% |
|---|
| 1921 | 9,635 | −0.21% |
|---|
| 1926 | 10,240 | +1.23% |
|---|
| 1931 | 10,955 | +1.36% |
|---|
| 1936 | 11,287 | +0.60% |
|---|
| 1946 | 10,740 | −0.50% |
|---|
| 1954 | 11,430 | +0.78% |
|---|
| 1962 | 12,355 | +0.98% |
|---|
| 1968 | 14,383 | +2.57% |
|---|
| 1975 | 14,985 | +0.59% |
|---|
| 1982 | 16,215 | +1.13% |
|---|
| 1990 | 16,308 | +0.07% |
|---|
| 1999 | 16,763 | +0.31% |
|---|
| 2007 | 17,739 | +0.71% |
|---|
| 2012 | 17,491 | −0.28% |
|---|
| 2017 | 17,093 | −0.46% |
|---|
|