In het postcodegebied 6374 is het aantal inwoners sinds 1998 als volgt opgebouwd :
| Jaar | Inwoners | Groei |
| 1998 | 13,170 | |
| 1999 | 13,220 | 0.38% |
| 2000 | 13,025 | -1.48% |
| 2001 | 13,010 | -0.12% |
| 2002 | 13,035 | 0.19% |
| 2003 | 13,050 | 0.12% |
| 2004 | 12,990 | -0.46% |
| 2005 | 12,965 | -0.19% |
| 2006 | 13,005 | 0.31% |
| 2007 | 12,965 | -0.31% |
| 2008 | 12,865 | -0.77% |
| 2009 | 12,825 | -0.31% |
| 2010 | 12,680 | -1.13% |
| 2011 | 12,610 | -0.55% |
| .2012 | 12,545 | -0.52% |
| 2013 | 12,445 | -0.80% |
| 2014 | 12,330 | -0.92% |
| 2015 | 12,270 | -0.49% |
| 2016 | 12,210 | -0.49% |
| 2017 | 12,225 | 0.12% |
| 2018 | 12,240 | 0.12% |
| 2019 | 12,125 | -0.94% |
| 2020 | 12,090 | -0.29% |