In het postcodegebied 1011 is het aantal inwoners sinds 1998 als volgt opgebouwd :
| Jaar | Inwoners | Groei |
| 1998 | 7,935 | |
| 1999 | 8,460 | 6.62% |
| 2000 | 8,695 | 2.78% |
| 2001 | 8,655 | -0.46% |
| 2002 | 8,660 | 0.06% |
| 2003 | 8,620 | -0.46% |
| 2004 | 8,760 | 1.62% |
| 2005 | 8,895 | 1.54% |
| 2006 | 8,815 | -0.90% |
| 2007 | 8,545 | -3.06% |
| 2008 | 8,660 | 1.35% |
| 2009 | 8,775 | 1.33% |
| 2010 | 8,810 | 0.40% |
| 2011 | 9,000 | 2.16% |
| .2012 | 9,025 | 0.28% |
| 2013 | 9,320 | 3.27% |
| 2014 | 9,410 | 0.97% |
| 2015 | 9,540 | 1.38% |
| 2016 | 9,605 | 0.68% |
| 2017 | 9,645 | 0.42% |
| 2018 | 9,765 | 1.24% |
| 2019 | 9,670 | -0.97% |
| 2020 | 9,705 | 0.36% |