Kasterlee has 18,655 inhabitants across 72.3 km², and the average age is about 43. Most residents own their homes: the ownership rate is 78%. The average net income per person is €20,851 a year. Nationalities are 95.3% Belgian, 2.4% Dutch, 0.6% Romanian, 0.3% Polish, 0.1% German, 0.1% Afghan, 0.1% French and 1.2% other. The housing stock is mainly houses: 84.3% of buildings are houses and 15.7% are apartment buildings. Homes average 5.8 rooms, and buildings date on average from around 1973. By building type, the figures are 51.8% open-type houses, farms and castles; 16% other building types; 14.2% semi-detached houses; 12.9% buildings and flat blocks; 3.3% closed-type houses; and 1.7% commercial houses.
There are currently 6 houses for sale in Kasterlee. Their average listed price is €702,983, with the current range running from €245,000 to €1,200,000. The A21/E34, linking Antwerp, Turnhout and Eindhoven, is about a 7-minute drive from the centre. The A13/E313 towards Antwerp, Hasselt and Liège is about 12 minutes away. The N19 and N123 also pass through Kasterlee. Bus services include De Lijn lines 200 between Turnhout, Tielen and Kasterlee; 212, the Brussels–Asse–Aalst express; 305 between Turnhout, Herentals, Herselt and Leuven; 490 between Turnhout, Geel, Westerlo and Aarschot; and 493 between Vosselaar, Gierle, Lichtaart, Tielen and Geel. There are 8 bus lines in total.
For families, Kasterlee has 7 nurseries, including De Kleine Ster and Tutters & Co, and 9 nursery schools, including Gemeentelijke Basisschool - De Pagadder and Vrije Basisschool - De Omnibus. There are 5 primary schools, among them Gemeentelijke Basisschool - De Vlieger and Gemeentelijke Basisschool - De Pagadder, plus 3 secondary schools, including Kogeka 1 and Kogeka 8. Everyday shopping options include 3 SPAR stores and 1 Delhaize. The available railway stations listed for the area are Tielen, Geel, Olen, Turnhout and Herentals.
Kasterlee has 2 electric-vehicle charging stations. There are no shared bicycles or shared cars in the municipality. Antwerp International Airport (Deurne) is about 34 minutes away by car or 74 minutes by public transport. The area’s household car average is 1.4, compared with 1.3 for Belgium. These transport options sit alongside a housing stock where open-type houses, farms and castles make up 51.8% of building types, while semi-detached houses account for 14.2%.