In het postcodegebied 6351 is het aantal inwoners sinds 1998 als volgt opgebouwd :
| Jaar | Inwoners | Groei |
| 1998 | 5,685 | |
| 1999 | 5,650 | -0.62% |
| 2000 | 5,670 | 0.35% |
| 2001 | 5,610 | -1.06% |
| 2002 | 5,595 | -0.27% |
| 2003 | 5,600 | 0.09% |
| 2004 | 5,605 | 0.09% |
| 2005 | 5,610 | 0.09% |
| 2006 | 5,560 | -0.89% |
| 2007 | 5,525 | -0.63% |
| 2008 | 5,485 | -0.72% |
| 2009 | 5,440 | -0.82% |
| 2010 | 5,390 | -0.92% |
| 2011 | 5,390 | 0.00% |
| .2012 | 5,340 | -0.93% |
| 2013 | 5,300 | -0.75% |
| 2014 | 5,245 | -1.04% |
| 2015 | 5,250 | 0.10% |
| 2016 | 5,190 | -1.14% |
| 2017 | 5,095 | -1.83% |
| 2018 | 5,075 | -0.39% |
| 2019 | 5,055 | -0.39% |
| 2020 | 5,055 | 0.00% |