Sint-Genesius-Rode / Rhode-Saint-Genèse is home to 18,387 people within an area of 22.8 km². The average resident is 41 years old, and 75% of residents own their dwelling. Average net income per person is €25,272 per year. Nationalities are 83% Belgian, 4.7% French, 2.5% Portuguese, 1.5% Italian, 0.9% Romanian, 0.8% Spanish, 0.8% Polish and 5.8% other; women represent 51.7% of the population. Across the local housing stock, homes average 6.8 rooms and buildings date from around 1958 on average. Houses account for 86.5% of buildings, with apartment buildings making up 13.5%. The building categories are 48.7% open houses, farms and castles, 18.3% semi-detached houses, 16.4% closed houses, 13% apartment buildings and blocks, 2.1% other types and 1.5% commercial houses.
The municipality currently has 6 flats for rent. Monthly rents average €1,444, with available rents between €1,215 and €1,850. The N5 passes through the area, and the R0 Brussels ring entrance is 9 minutes by car from the town centre. The A8 / E429–E42 entrance towards Halle, Tournai and Lille is 13 minutes away. Bus routes serving the municipality include De Lijn 136, 153 and 155, and TEC 365a and W. Nearby listed stations are Sint-Genesius-Rode / Rhode-St.-Genese / St.-Genesius-Rode / Rhode-Saint-Genèse, De Hoek, Holleken, Linkebeek and Moensberg.
Childcare and education facilities include 8 nurseries, among them Tinkelbel and Les Autruchons, 6 nursery schools and 5 primary schools. Examples are Gemeentelijke Basisschool Wauterbos, Vrije Basisschool - De Hoek and Isf Waterloo International School; Isf Waterloo International School is also the listed secondary school. The shops named for everyday purchases are 2 Delhaize stores, 1 SPAR, 1 Aldi and 1 LIDL. A Blue-bike station and an electric-vehicle charging station are available, with 1 of each; there is no shared-car service. Brussels Airport is 84 minutes away by public transport or 24 minutes by car.