Cerfontaine is a 83.4 km² municipality with a population of 4,923. Residents have an average age of 40, and 50.1% are women. About 71% own their dwelling; average net income per person is €16,777 a year. The population is 97.8% Belgian, 0.9% French, 0.4% Italian, 0.3% Romanian, 0.1% German, 0.1% Greek, 0.1% Albanian and 0.4% other nationalities. Apartments form a limited part of the building stock: apartment buildings account for 4.4%, while houses account for 95.6%. Homes average 6.3 rooms, and the average building dates from around 1925. The building breakdown is 34.6% open houses, farms and castles, 24.5% semi-detached houses, 20.8% terraced houses, 14.7% other building types, 3.6% apartment blocks and 1.8% commercial houses.
There are 0 apartments currently for rent in Cerfontaine. The supplied average monthly rent and highest and lowest rents for apartments are each €0. The house-rental market has 1 listing at €950 per month, while houses for sale average €228,024 and range from €70,000 to €425,000. Local road connections include the N40, N589a, N589, N599 and N907. The drive from the centre to the A54/E420 towards Nivelles and Charleroi takes about 30 minutes; reaching the A15/E42 towards La Louvière, Charleroi, Namur and Liège takes about 33 minutes. Bus routes serving the area include TEC 132a, 136a, 136d and 561, as well as the Rbus. Their listed routes connect Walcourt, Cerfontaine, Philippeville, Florennes, Yves-Gomezée, Rance, Thy-le-Château and Froidchapelle. Stations listed nearby are Philippeville, Yves-Gomezée, Walcourt, Pry and Mariembourg.
Cerfontaine has 3 nurseries, 6 nursery schools and 6 primary schools, with no secondary school in the municipality. Named childcare examples include Cerfontaine - Les P'Tits Loustics and G. L.; primary-school examples include Ecole Fondamentale Communale and Ecole Fondamentale Communale De Cerfontaine -Villages. For food shopping, there is 1 Louis Delhaize and 1 Carrefour. Shared bicycles and shared cars are not known in the commune, and no charging station for electric vehicles is known there. Brussels South Charleroi Airport is reachable in about 33 minutes by car or 123 minutes by public transport.