Diepenbeek’s 41.4 km² area has 19,031 inhabitants, with an average age of about 43. Home ownership is 79%, and average net income is €19,541 per person per year. The population is 50% men; nationalities recorded are 95.7% Belgian, 1.1% Dutch, 0.4% Italian, 0.2% Polish, 0.2% Afghan, 0.2% Cameroonian, 0.2% Romanian and 2.1% other. Apartment buildings account for 35.7% of homes, compared with 64.3% houses. Dwellings average 6 rooms, and buildings date from around 1976. The building breakdown also includes 34.9% buildings and flat blocks, 37.1% open-type houses, farms and castles, and 22.7% semi-detached houses.
There are 0 flats for rent at present, so no monthly rental price is listed. For comparison, 3 flats are for sale at an average of €311,000, ranging from €249,000 to €385,000. The sale listings also include 14 houses, averaging €422,786 and priced from €220,000 to €850,000. Diepenbeek has access to the N2 and N76. The A13/E313, serving the Antwerpen–Hasselt–Liège route, is 2 minutes from the centre; the A2/E314, towards Leuven, Diest, Genk and Maasmechelen, is 13 minutes away.
There are 8 bus lines stopping in Diepenbeek. Listed De Lijn routes include 20a between Hasselt, Bilzen and Maastricht/Lanaken–Rekem; 36, St.-Jansplein–Linkeroever; 45, Hasselt–Universiteit–Genk–Maaseik/Maastricht; 453, Diepenbeek Universiteit–Kortessem; and 741, Belbus Diepenbeek. Nearby stations are Diepenbeek, Bokrijk, Hasselt, Kiewit and Bilzen. The commune has 5 nurseries, 7 nursery schools, 6 primary schools and 3 secondary schools. Examples include De Vlindertjes, Vrije Kleuterschool, Gemeentelijke Basisschool and Go! Next Hotelschool.
Grocery shopping options include 2 SPAR, 2 Carrefour, 2 Delhaize and 1 Aldi. Diepenbeek has 3 electric-vehicle charging stations. Shared bicycles and shared cars are not listed for the commune. Liège Airport is 25 minutes away by car, or 125 minutes by public transport. Businesses in the area include 90 hairdressing and beauty-treatment firms, 69 business and management consultancies, 50 restaurants and mobile food-service companies, 46 head-office activities, 42 building-construction firms and 39 landscape-service businesses.