In Faimes, 3,935 people live across a 28.5 km² commune. The average resident is about 40 years old, and women make up 50.3% of the population. Some 86% of residents own their homes, and average net income per person is €21,126 annually. Nationalities represented include Belgian (97.8%), French (0.7%), Italian (0.6%), Polish (0.2%), Spanish (0.1%), Romanian (0.1%), Greek (0.1%) and other (0.5%).
The housing stock is predominantly houses: 95.2% of dwellings are houses and 4.8% are in apartment buildings. Across the building types, 66% are open-type houses, farms or castles, 21.1% semi-closed houses, 5.9% closed houses, 4.7% buildings and flat blocks, 1.3% other types and 1% commercial houses. Dwellings average 6.5 rooms, compared with a national average of 6, and the average building dates from 1934. There are currently no flats for sale in Faimes, so there is no current sale price or price range for this property type.
The N69 and N637 are among the main roads through the commune. By car, the A3 / E25 - E40 - E42 entrance is 6 minutes from the centre, on the route linking Brussels, Leuven, Liège and Eupen, with access towards Aachen. The A15 / E42 entrance, on the La Louvière–Charleroi–Namur–Liège route, is 9 minutes away. TEC buses serving Faimes are line 145 (Huy–Waremme), line 245 (Waremme–Haneffe–Verlaine), line 83 (Liège–Bierset–Hannut) and line L1022 (Huy–Waremme). Nearby stations are Bleret, Borgworm / Waremme, Remicourt, Momalle and Fexhe-Le-Haut-Clocher.
For younger children, there are 5 nurseries, 3 nursery schools and 2 primary schools in the commune; Ecole Communale Fondamentale is among the named schools, and there is no secondary school. Local businesses include 27 mixed-farming corporations, 17 management-consultancy businesses, 15 hairdressing and beauty-treatment businesses, 14 cereal, leguminous-crop and oil-seed growers, 13 dispensing chemists and 11 architectural firms. Faimes has no shared-bike or shared-car service and no known EV charging station. Liège Airport can be reached in 15 minutes by car or 100 minutes by public transport.