| | | | | | | | | | | | | | | | Year | Reporting Status | Population | | 2003 | Reporting | 23,530 | | 2004 | Reporting | 23,625 | | 2005 | Reporting | 23,832 | | 2006 | Reporting | 25,883 | | 2007 | Reporting | 26,633 | | 2008 | Reporting | 27,271 | | 2009 | Reporting | 27,806 | | 2010 | Reporting | 28,249 | | 2011 | Reporting | 28,178 | | 2012 | Reporting | 28,280 |
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