| ปี | ประชากร | ±% p.a. |
|---|
| 1801 | 271,703 | — |
|---|
| 1821 | 305,096 | +0.58% |
|---|
| 1831 | 321,686 | +0.53% |
|---|
| 1841 | 328,010 | +0.19% |
|---|
| 1851 | 357,967 | +0.88% |
|---|
| 1861 | 315,526 | −1.25% |
|---|
| 1872 | 293,757 | −0.65% |
|---|
| 1881 | 288,577 | −0.20% |
|---|
| 1891 | 288,336 | −0.01% |
|---|
| 1901 | 326,384 | +1.25% |
|---|
| 1911 | 330,755 | +0.13% |
|---|
| 1921 | 322,945 | −0.24% |
|---|
| 1931 | 377,104 | +1.56% |
|---|
| | ปี | ประชากร | ±% p.a. |
|---|
| 1936 | 398,662 | +1.12% |
|---|
| 1946 | 370,688 | −0.72% |
|---|
| 1954 | 413,012 | +1.36% |
|---|
| 1962 | 469,557 | +1.62% |
|---|
| 1968 | 555,926 | +2.85% |
|---|
| 1975 | 626,093 | +1.71% |
|---|
| 1982 | 708,331 | +1.78% |
|---|
| 1990 | 815,714 | +1.78% |
|---|
| 1999 | 898,441 | +1.08% |
|---|
| 2006 | 985,099 | +1.32% |
|---|
| 2011 | 1,012,735 | +0.55% |
|---|
| 2016 | 1,055,821 | +0.84% |
|---|
|
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