In Molenbeek-Saint-Jean / Sint-Jans-Molenbeek, 97,462 people live within 6 km². The average age is 34; 50.1% of residents are women, and 63% are tenants. Average annual net income per capita is €10,406. The population is 73.6% Belgian, 6.2% Moroccan, 4.4% Romanian, 2.4% Spanish, 2% French, 1.8% Italian, 1.1% Polish and 8.4% other nationalities. The average dwelling has 4.6 rooms, compared with 6 nationally, and buildings date on average from around 1937. The housing stock is 66% apartments and 34% houses. Building types comprise 61.1% buildings and flat blocks, 30.9% closed-type houses, 6.6% commercial houses, 0.9% other buildings, 0.4% semi-closed houses and 0.2% open-type houses, farms or castles.
There are 48 flats for rent. The stated average monthly rent is €1,347, with listed rents from €849 to €5,000. The N8 and N9a are main roads in the commune; the R0 Brussels ring entrance is 6 minutes by car from the centre, and the A12 entrance is 11 minutes away. Metro lines 1, 2, 5 and 6 and tram lines 51 and 82 have stops in the municipality. Bus connections include De Lijn lines 128 and 129 and STIB lines 49, 86 and 87, among 33 bus lines serving Molenbeek-Saint-Jean / Sint-Jans-Molenbeek.
There are 34 nurseries, 32 nursery schools, 36 primary schools and 14 secondary schools in the municipality. Examples include Les 2 Moiselles, Ecole Primaire Libre Sainte-Ursule, Ecole Primaire Libre Saint-Charles and Collège De Bruxelles. For groceries, the commune has 4 Lidl, 4 Carrefour, 4 Delhaize, 2 Aldi and 1 OKay supermarket. The nearest stations to the centre are Brussel-West / Bruxelles-Ouest, Simonis, Brussel-Zuid / Bruxelles-Midi, Brussel-Kapellekerk / Bruxelles-Chapelle and Thurn En Taxis / Tour Et Taxis.
Getting around without relying on a private car is supported by 17 Villo! shared-bike stations and 8 Cambio car-sharing stations. There are 4 electric-vehicle charging stations. Brussels Airport is 52 minutes away by public transport or 18 minutes by car. The rental market currently includes 48 flats and 2 houses, with flats representing the larger number of available rental homes.