Arendonk has 13,293 inhabitants across 55.1 km². The average age is about 42, and 75% of residents own their homes. The population is 50.1% men and 49.9% women. By nationality, 85.3% are Belgian, 11% Dutch, 0.8% Polish, 0.8% Portuguese, 0.2% Romanian, 0.2% Somali, 0.1% Afghan and 1.6% other. Average net income per person is €18,102 per year. The housing stock averages 5.8 rooms per home, and buildings date on average from around 1968. Houses make up 83% of buildings and apartment buildings 17%; building types include 38.7% open houses, farms and castles, 24.5% semi-detached houses, 15% buildings and flat blocks, 10.2% closed houses, 10.1% other buildings and 1.5% commercial houses.
There are 3 houses for sale in Arendonk. Their average asking price is €269,000, with listings ranging from €239,000 to €299,000. The municipality has 1 OKay and 1 Delhaize supermarket. The N118 and N139 are among its main roads. An entrance to the A21 / E34, between Antwerp, Turnhout and Eindhoven in the Netherlands, is 3 minutes by car from the town centre; the A13 / E313 entrance towards Antwerp, Hasselt and Liège is 25 minutes away.
Bus services in Arendonk include De Lijn lines 380, 390, 391, 430 and 432. Line 380 runs between Leuven, Boutersem and Tienen; line 390 connects Aarschot, Tielt, Kapellen and Tienen; line 391 serves Tielt, Waanrode, Hoeleden and Tienen. Line 430 runs from Meersel Dreef through Hoogstraten and Turnhout to Reusel, while line 432 links Brecht, Rijkevorsel, Merksplas, Turnhout and Arendonk. There are 8 bus lines with stops in the municipality. The available railway stations are Turnhout, Mol, Tielen, Balen / Baelen and Geel. Childcare includes 5 nurseries, among them Het Toverbos and Kinderdagverblijf 'T Kroontje. Arendonk also has 5 nursery schools, 5 primary schools and the secondary school Sint-Claracollege.
There are 2 electric-vehicle charging stations in Arendonk. The municipality has no shared bicycles or shared cars. Antwerp International Airport (Deurne) is 35 minutes away by car or 111 minutes by public transport. These local figures sit alongside a housing mix in which open houses, farms and castles form the largest listed building category, followed by semi-detached homes. For a buyer comparing houses, the current listings span €60,000 from the lowest to the highest asking price, with the average at €269,000.