Apartment rentals are not currently listed in Martelange: the count is 0, and there is no monthly rent range. The municipality has 1,876 inhabitants living across 30 km². The average resident is 37 years old, and men represent 50.9% of the population. Residents are 87% Belgian, 2.9% French, 2.8% Luxembourgish, 1.9% Portuguese, 1% Italian, 0.9% Romanian, 0.6% Afghan and 2.9% other nationalities. Average annual net income per capita is €17,721, and 68% of residents own their homes.
Apartment buildings form 8.2% of Martelange’s building stock, while houses make up 91.8%. The average accommodation has 5.9 rooms, and buildings were constructed around 1933 on average. The local mix includes 7.6% buildings and apartment blocks, 46.7% open houses, farms and castles, 26% semi-closed houses, 12.9% closed houses, 3.4% other building types and 3.3% commercial houses. The main roads are the N4, N23, CR 312, N805 and N848. Driving from the centre takes 16 minutes to reach the A26/E25 towards Liège, Bastogne and Neufchâteau, and 19 minutes to the A4/E411-E25 towards Brussels, Namur, Arlon and Luxembourg City.
Public transport includes 6 TEC bus lines. Listed services are line 2, Jambes (Amée)–Saint-Servais (Beau-Vallon); 54/4, Martelange–Habay; 60, Saint-Hubert–Neufchâteau–Martelange; 80, Namur station–Jambes (La Sauge); and E69, Liège–Bastogne–Arlon. Nearby stations are Habay, Stockem, Viville, Aarlen / Arel / Arlon and Marbehan. For younger children, there is 1 nursery, La Forêt Des Contes. The municipality also has 2 nursery schools and 2 primary schools: Ecole Fondamentale Libre De La Haute-Sûre and Ecole Fondamentale Autonome De Martelange. There is no secondary school in Martelange.
The available information names no supermarkets or shops. Shared bicycles and shared cars are not offered in the municipality, and no charging station is known. There is an average of 1.1 cars per household, compared with the national average of 1.3. Liège Airport can be reached in 70 minutes by car or 207 minutes by public transport. The current apartment rental count is 0, with no monthly asking price listed.