Linkebeek has a population of 4,671 living across 4.2 km². The average age is 42, and 72% of residents own their homes; average annual net income per person is €22,530. Nationalities are 86.3% Belgian, 4.3% French, 1.2% Italian, 1.2% Spanish, 1.1% German, 0.7% Portuguese, 0.7% Romanian and 4.6% other. The average home has 6.4 rooms, and buildings date from around 1947 on average. Houses account for 80.7% of the housing stock, compared with 19.3% for apartment buildings. Building types comprise 28% detached houses, farms and castles, 27.6% semi-detached houses, 23.1% terraced houses, 18.8% apartment buildings and blocks, 1.8% commercial houses and 0.7% other types.
There is currently 1 house for rent, listed at an average of €3,500 per month. The lowest and highest listed monthly rents are both €3,500. By car, the R0 Brussels ring is 6 minutes from the centre, and the A4/E411–E25 is 17 minutes away, connecting the Brussels, Namur and Arlon direction and continuing towards Luxembourg. Nearby stations are Linkebeek, Moensberg, Holleken, Ukkel-Kalevoet/Uccle-Calevoet and Beersel. Bus services stopping in Linkebeek include De Lijn lines 153, 154 and 155, the NMBS/SNCB BUS line and STIB line 43.
Childcare includes 2 nurseries, such as Hollypop and Zonnetje Linkebeek. The municipality also has 2 nursery schools and 2 primary schools, including Gemeentelijke Basisschool and Gemeentelijke Basisschool - De Schakel. There is no secondary school in Linkebeek. Delhaize is the listed grocery shop. Brussels Airport is a 24-minute drive away, while the public-transport journey takes 63 minutes.
Shared-bike and shared-car services are not available in the municipality, and no EV charging station is listed. Linkebeek has 55 companies in business and other management consultancy, 22 in architectural activities, 20 in artistic creation, 17 in other specialised construction activities, 15 advertising agencies and 13 computer consultancy firms. The wider housing stock averages 6.4 rooms, with detached, semi-detached and terraced houses all represented among its building types.