| 연도 | 인구 | |
|---|
| 1875 | 20,080 | — |
|---|
| 1890 | 21,912 | +0.58% |
|---|
| 1910 | 26,164 | +0.89% |
|---|
| 1925 | 26,640 | +0.12% |
|---|
| 1933 | 29,044 | +1.09% |
|---|
| 1939 | 33,090 | +2.20% |
|---|
| 1946 | 37,904 | +1.96% |
|---|
| 1950 | 36,677 | −0.82% |
|---|
| 1964 | 31,422 | −1.10% |
|---|
| 1971 | 31,283 | −0.06% |
|---|
| 1981 | 33,042 | +0.55% |
|---|
| 1985 | 33,989 | +0.71% |
|---|
| 1989 | 34,176 | +0.14% |
|---|
| 1990 | 34,014 | −0.47% |
|---|
| 1991 | 33,324 | −2.03% |
|---|
| | 연도 | 인구 | |
|---|
| 1992 | 33,349 | +0.08% |
|---|
| 1993 | 33,249 | −0.30% |
|---|
| 1994 | 33,049 | −0.60% |
|---|
| 1995 | 32,795 | −0.77% |
|---|
| 1996 | 32,817 | +0.07% |
|---|
| 1997 | 32,744 | −0.22% |
|---|
| 1998 | 32,732 | −0.04% |
|---|
| 1999 | 32,640 | −0.28% |
|---|
| 2000 | 32,598 | −0.13% |
|---|
| 2001 | 32,375 | −0.68% |
|---|
| 2002 | 32,317 | −0.18% |
|---|
| 2003 | 32,114 | −0.63% |
|---|
| 2004 | 32,061 | −0.17% |
|---|
| 2005 | 32,145 | +0.26% |
|---|
| 2006 | 31,939 | −0.64% |
|---|
| | 연도 | 인구 | |
|---|
| 2007 | 31,821 | −0.37% |
|---|
| 2008 | 31,662 | −0.50% |
|---|
| 2009 | 31,574 | −0.28% |
|---|
| 2010 | 31,599 | +0.08% |
|---|
| 2011 | 30,184 | −4.48% |
|---|
| 2012 | 30,162 | −0.07% |
|---|
| 2013 | 30,345 | +0.61% |
|---|
| 2014 | 30,665 | +1.05% |
|---|
| 2015 | 30,715 | +0.16% |
|---|
| 2016 | 31,037 | +1.05% |
|---|
| 2017 | 30,889 | −0.48% |
|---|
| 2018 | 30,846 | −0.14% |
|---|
| 2019 | 30,785 | −0.20% |
|---|
|