In Donceel, 3,060 people live across a 23.5 km² commune. The average age is 41, and home ownership stands at 88%. Average net income per person is €21,062 a year, while households have an average of 1.6 cars. The population is 50.8% men. Nationalities are 97.1% Belgian, 1.3% Italian, 0.8% French, 0.1% Spanish, 0.1% German, 0.1% Luxembourgish, 0.1% British and 0.4% other.
Apartments form part of a housing stock dominated by houses: 90.4% of buildings are houses and 9.6% are apartment buildings. Across the building types, 54.9% are open-type houses, farms or castles, 27.1% semi-closed houses, 9.4% buildings and flat blocks, 7.1% closed houses, 1% other types and 0.5% commercial houses. Accommodation in Donceel averages 6.7 rooms, and buildings were constructed around 1936 on average. There are 2 flats for sale. Both the lowest and highest listed price are €355,000, and the average asking price is also €355,000.
The commune is served by TEC bus lines 185, 245, 485 and 83. Stations available to residents are Remicourt, Momalle, Bleret, Fexhe-Le-Haut-Clocher and Borgworm / Waremme. Donceel has 3 nurseries, 3 nursery schools and 3 primary schools; there is no secondary school in the municipality. The main roads include the N614 and N637. By car, the A15/E42 access is 7 minutes from the centre, while the A3/E25–E40–E42 access is 10 minutes away. These motorways connect routes including La Louvière, Charleroi, Namur, Liège, Brussels, Leuven and Eupen, with the latter route continuing towards Aachen.
Local businesses include 23 mixed-farming companies, 17 business and management consultancies, 11 cereal, legume and oilseed growers, 11 landscape-service companies, 11 hairdressing and beauty businesses, and 10 restaurants and mobile food-service businesses. Liège Airport can be reached in 13 minutes by car or 100 minutes by public transport. There is no known charging station in Donceel, and the commune currently has no shared bicycles or shared cars. The information available does not name supermarkets or shops, and does not list metro or tram services.