In het postcodegebied 6171 is het aantal inwoners sinds 1998 als volgt opgebouwd :
| Jaar | Inwoners | Groei |
| 1998 | 11,885 | |
| 1999 | 11,855 | -0.25% |
| 2000 | 11,845 | -0.08% |
| 2001 | 11,635 | -1.77% |
| 2002 | 11,650 | 0.13% |
| 2003 | 11,580 | -0.60% |
| 2004 | 11,565 | -0.13% |
| 2005 | 11,685 | 1.04% |
| 2006 | 11,670 | -0.13% |
| 2007 | 11,535 | -1.16% |
| 2008 | 11,430 | -0.91% |
| 2009 | 11,335 | -0.83% |
| 2010 | 11,210 | -1.10% |
| 2011 | 11,155 | -0.49% |
| .2012 | 11,075 | -0.72% |
| 2013 | 10,955 | -1.08% |
| 2014 | 10,945 | -0.09% |
| 2015 | 10,825 | -1.10% |
| 2016 | 10,845 | 0.18% |
| 2017 | 10,885 | 0.37% |
| 2018 | 10,910 | 0.23% |
| 2019 | 10,880 | -0.27% |
| 2020 | 10,945 | 0.60% |