| Year | Pop. | ±% p.a. |
|---|
| 1875 | 3,193 | — |
|---|
| 1890 | 3,705 | +1.00% |
|---|
| 1910 | 7,024 | +3.25% |
|---|
| 1925 | 8,359 | +1.17% |
|---|
| 1933 | 8,738 | +0.56% |
|---|
| 1939 | 9,560 | +1.51% |
|---|
| 1946 | 10,966 | +1.98% |
|---|
| 1950 | 11,461 | +1.11% |
|---|
| 1964 | 11,157 | −0.19% |
|---|
| 1971 | 11,443 | +0.36% |
|---|
| 1981 | 11,572 | +0.11% |
|---|
| 1985 | 11,517 | −0.12% |
|---|
| 1989 | 11,255 | −0.57% |
|---|
| 1990 | 11,033 | −1.97% |
|---|
| 1991 | 10,947 | −0.78% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 1992 | 10,868 | −0.72% |
|---|
| 1993 | 10,793 | −0.69% |
|---|
| 1994 | 10,726 | −0.62% |
|---|
| 1995 | 10,656 | −0.65% |
|---|
| 1996 | 10,538 | −1.11% |
|---|
| 1997 | 10,442 | −0.91% |
|---|
| 1998 | 10,382 | −0.57% |
|---|
| 1999 | 10,334 | −0.46% |
|---|
| 2000 | 10,234 | −0.97% |
|---|
| 2001 | 9,937 | −2.90% |
|---|
| 2002 | 9,911 | −0.26% |
|---|
| 2003 | 9,804 | −1.08% |
|---|
| 2004 | 9,654 | −1.53% |
|---|
| 2005 | 9,456 | −2.05% |
|---|
| 2006 | 9,249 | −2.19% |
|---|
| | Year | Pop. | ±% p.a. |
|---|
| 2007 | 9,096 | −1.65% |
|---|
| 2008 | 8,959 | −1.51% |
|---|
| 2009 | 8,817 | −1.58% |
|---|
| 2010 | 8,694 | −1.40% |
|---|
| 2011 | 8,498 | −2.25% |
|---|
| 2012 | 8,384 | −1.34% |
|---|
| 2013 | 8,287 | −1.16% |
|---|
| 2014 | 8,161 | −1.52% |
|---|
| 2015 | 8,186 | +0.31% |
|---|
| 2016 | 8,118 | −0.83% |
|---|
| 2017 | 7,975 | −1.76% |
|---|
| 2018 | 7,856 | −1.49% |
|---|
| 2019 | 7,853 | −0.04% |
|---|
| 2020 | 7,800 | −0.67% |
|---|
|