Onhaye is a municipality with 3,241 inhabitants spread over an area of 65.7 square kilometers. The population has a slight majority of men (50.6%) and an average age of 41 years. Most residents own their homes, with ownership at 75%, and the average per capita income is €17,337 net per year. The community is predominantly Belgian (97.3%), with small fractions from France, Italy, Poland, Portugal, the Netherlands, Spain, and other countries.
Housing in Onhaye is mainly composed of houses, making up 96.4% of buildings, with apartments representing just 3.6%. The average number of rooms per dwelling is slightly higher than the national average at about 6.2 rooms. The buildings tend to be older, with an average construction year around 1929. The housing types include open type houses such as farms and castles (45.3%), semi-closed houses (29%), closed houses (13.8%), and other building types.
Currently, there are five houses for sale in Onhaye. The average price for these homes is €249,400, but prices vary widely from as low as €75,000 up to €499,000 for the most expensive listing. These figures give a broad range for potential buyers to consider depending on the size and condition of the property.
Accessibility to Onhaye by road is convenient, with the A4/E411/E25 motorway connecting Brussels, Namur, and Arlon reachable within eight minutes from the town center by car. Another motorway, the A15/E42, connecting La Louvière, Charleroi, Namur, and Liège, is about 33 minutes away. Several national roads serve the area as well, including N97, N915, N936, N951, and N971.
Public transport options include three TEC bus lines: Line 20 to Dinant and Florennes, Line 31 to Dinant and Falaen, and Line 35 to Dinant and Ermeton-sur-Biert. Nearby train stations include Anseremme, Dinant, Yvoir, Gendron-Celles, and Godinne. For families with children, local education facilities consist of six nurseries and four nursery schools along with four primary schools; however, secondary schools are not available in the municipality.
Shopping needs can be met locally with a SPAR and an Intermarché supermarket. Onhaye does not currently have shared bicycle or car systems nor any known electric vehicle charging stations. The nearest airport is Brussels South Charleroi Airport, accessible within 44 minutes by car or about 217 minutes using public transportation.