| Year | Pop. | ±% p.a. |
|---|
| 1793 | 9,111 | — |
|---|
| 1800 | 8,961 | −0.24% |
|---|
| 1806 | 9,970 | +1.79% |
|---|
| 1821 | 11,432 | +0.92% |
|---|
| 1831 | 12,496 | +0.89% |
|---|
| 1836 | 12,383 | −0.18% |
|---|
| 1841 | 12,526 | +0.23% |
|---|
| 1846 | 13,191 | +1.04% |
|---|
| 1851 | 14,816 | +2.35% |
|---|
| 1856 | 13,835 | −1.36% |
|---|
| 1861 | 14,922 | +1.52% |
|---|
| 1866 | 15,334 | +0.55% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1872 | 15,175 | −0.17% |
|---|
| 1876 | 16,728 | +2.47% |
|---|
| 1881 | 17,485 | +0.89% |
|---|
| 1886 | 18,860 | +1.53% |
|---|
| 1891 | 18,761 | −0.11% |
|---|
| 1896 | 18,249 | −0.55% |
|---|
| 1901 | 17,693 | −0.62% |
|---|
| 1906 | 17,307 | −0.44% |
|---|
| 1911 | 17,068 | −0.28% |
|---|
| 1921 | 16,261 | −0.48% |
|---|
| 1926 | 16,365 | +0.13% |
|---|
| 1931 | 16,550 | +0.23% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1936 | 16,697 | +0.18% |
|---|
| 1946 | 15,460 | −0.77% |
|---|
| 1954 | 16,609 | +0.90% |
|---|
| 1962 | 18,346 | +1.25% |
|---|
| 1968 | 19,159 | +0.73% |
|---|
| 1975 | 19,288 | +0.10% |
|---|
| 1982 | 18,471 | −0.62% |
|---|
| 1990 | 17,545 | −0.64% |
|---|
| 1999 | 16,944 | −0.39% |
|---|
| 2007 | 16,002 | −0.71% |
|---|
| 2012 | 15,759 | −0.31% |
|---|
| 2017 | 14,985 | −1.00% |
|---|
|