Martelange is home to around 1,876 residents spread across an area of 30 km². The population has a higher number of men, 50.9%, with an average age of 37 years. A majority of residents, about 68%, own their homes. The average annual net income per capita here is 17,721€. Most of the population is Belgian, making up 87%, followed by smaller percentages from France, Luxembourg, Portugal, and other countries.
Housing in Martelange primarily consists of houses, which make up 91.8% of buildings, while apartments account for only 8.2%. Houses come in different forms: 46.7% are open type houses including farms and castles, 26% are semi-closed type, and 12.9% are closed type. Buildings and flat blocks account for 7.6% of the structures. The homes here generally have around 5.9 rooms, slightly less than the national average.
At present, there are 3 houses available for sale in Martelange. Prices range from 125,000€ to 300,000€, with an average house price of about 203,333€. This range indicates options for varied budgets within the market.
Transport connections include easy access to the A26 / E25 motorway in about 16 minutes by car from the town centre, linking Liège to Neufchâteau. The A4 / E411 - E25 motorway can be reached in around 19 minutes, connecting Brussels and Arlon towards Luxembourg city. Several main roads such as the N4 and N23 also run through the municipality.
Public transport comprises several bus lines operated by TEC, including Line 2 connecting Jambes and Saint-Servais, Line 54/4 running between Martelange and Habay, and Line 60 linking Saint-Hubert to Neufchâteau and Martelange. Other lines connect to Namur and Liège, providing reasonable regional access.
Families have access to local childcare options: one nursery called La Forêt Des Contes and two nursery schools and primary schools named Ecole Fondamentale Libre De La Haute-Sûre and Ecole Fondamentale Autonome De Martelange. However, there are no secondary schools within the municipality.
Shopping options include various local businesses operating in joinery installation, hairdressing and beauty treatments, restaurants, and beverage serving activities. There is no mention of supermarkets directly but a commercial presence exists within the town.
Soft mobility options like shared bicycles or car sharing are not present in Martelange. Similarly, there are no known electric vehicle charging stations within the municipality. For air travel, Liège Airport is about a 70-minute drive away or over three hours using public transport.