Heist-Op-Den-Berg has 42,681 inhabitants across 86.7 km². The average age is 43, and 50.7% of residents are women. Home ownership stands at 74%, while average net income per person is €19,848 per year. The population is 96.9% Belgian, 0.7% Dutch, 0.4% Polish, 0.3% Romanian, 0.2% Portuguese, 0.1% Bulgarian, 0.1% Russian and 1.3% other nationalities. The municipality’s housing stock is 82.3% houses and 17.7% apartment buildings. Across all buildings, 49.5% are detached houses, farms or castles, 22.5% semi-detached houses, 17.1% buildings and flat blocks, 7.4% terraced houses, 2.1% commercial houses and 1.5% other types. Buildings date on average to around 1966, and the average home has about 5.5 rooms.
There are currently 42 houses for sale in Heist-Op-Den-Berg. The average asking price is €549,625, with listings ranging from €249,000 to €1,950,000. For getting around by car, the N10 and N15 pass through the area. Access to the A13 / E313, on the Antwerp–Hasselt–Liège route, is a 17-minute drive from the centre; the A2 / E314, connecting Leuven, Diest, Genk and Maasmechelen, is also 17 minutes away. The municipality has 21 bus lines, including De Lijn line 297 between Heist-op-den-Berg and Lier Zevenbergen, school bus line 511, and on-demand lines 931, 943 and 944. Nearby stations include Heist-Op-Den-Berg, Booischot, Melkouwen, Begijnendijk and Berlaar.
Families have 10 nurseries, 17 nursery schools, 16 primary schools and 11 secondary schools in the municipality. Examples include Bavet & Charet and De Kapoentjes for childcare, Go! Freinetschool Triangel and Go! Leefschool Pluishoek at nursery level, Vrije Basisschool - Sint-Guibertus and Vrije Basisschool - De Groeituin for primary education, and Go! Busleyden Atheneum-Campus Stassart and Heilig Hart - Middenschool 1 for secondary education. Supermarket options include 3 Delhaize stores, 2 SPAR stores, 1 LIDL, 1 Carrefour and 1 Colruyt. There is 1 Blue-bike station and 1 Cambio shared-car station, alongside 5 electric-vehicle charging stations. Antwerp International Airport in Deurne is 28 minutes away by car or 72 minutes by public transport.