In het postcodegebied 6151 is het aantal inwoners sinds 1998 als volgt opgebouwd :
| Jaar | Inwoners | Groei |
| 1998 | 5,205 | |
| 1999 | 5,180 | -0.48% |
| 2000 | 5,195 | 0.29% |
| 2001 | 5,185 | -0.19% |
| 2002 | 5,180 | -0.10% |
| 2003 | 5,155 | -0.48% |
| 2004 | 5,070 | -1.65% |
| 2005 | 5,050 | -0.39% |
| 2006 | 4,980 | -1.39% |
| 2007 | 4,960 | -0.40% |
| 2008 | 4,980 | 0.40% |
| 2009 | 4,950 | -0.60% |
| 2010 | 4,895 | -1.11% |
| 2011 | 4,825 | -1.43% |
| .2012 | 4,775 | -1.04% |
| 2013 | 4,730 | -0.94% |
| 2014 | 4,670 | -1.27% |
| 2015 | 4,670 | 0.00% |
| 2016 | 4,570 | -2.14% |
| 2017 | 4,520 | -1.09% |
| 2018 | 4,540 | 0.44% |
| 2019 | 4,555 | 0.33% |
| 2020 | 4,530 | -0.55% |