| Year | Pop. | ±% p.a. |
|---|
| 1801 | 502,723 | — |
|---|
| 1806 | 522,371 | +0.77% |
|---|
| 1821 | 522,041 | −0.00% |
|---|
| 1831 | 554,225 | +0.60% |
|---|
| 1841 | 568,034 | +0.25% |
|---|
| 1851 | 614,387 | +0.79% |
|---|
| 1861 | 667,193 | +0.83% |
|---|
| 1872 | 705,149 | +0.50% |
|---|
| 1881 | 748,703 | +0.67% |
|---|
| 1891 | 793,528 | +0.58% |
|---|
| 1901 | 821,131 | +0.34% |
|---|
| 1911 | 829,095 | +0.10% |
|---|
| 1921 | 819,128 | −0.12% |
|---|
| 1931 | 852,768 | +0.40% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1936 | 850,567 | −0.05% |
|---|
| 1946 | 858,381 | +0.09% |
|---|
| 1954 | 896,517 | +0.54% |
|---|
| 1962 | 935,448 | +0.53% |
|---|
| 1968 | 1,009,390 | +1.28% |
|---|
| 1975 | 1,061,480 | +0.72% |
|---|
| 1982 | 1,127,546 | +0.87% |
|---|
| 1990 | 1,213,499 | +0.92% |
|---|
| 1999 | 1,287,532 | +0.66% |
|---|
| 2006 | 1,393,758 | +1.14% |
|---|
| 2011 | 1,463,662 | +0.98% |
|---|
| 2016 | 1,566,679 | +1.37% |
|---|
| 2022 | 1,674,980 | +1.12% |
|---|
|