Grâce-Hollogne is home to just over 22,600 people living in a spread-out area of 34.2 square kilometers. The population is fairly balanced between women and men, with women making up 50.8%, and the average age rests around 40 years. Most residents own their homes, representing about 61% ownership, and the yearly net per capita income averages €15,260. The local community includes a majority of Belgian nationals at 86.8%, with Italian nationals forming the largest minority group at 8.2%. Housing here mostly consists of houses rather than flats, which make up only 15.4% of the buildings.
Houses for sale in Grâce-Hollogne range widely in price, averaging around €288,929. The most expensive house on the market is priced at €975,000, while the cheapest costs €35,000. The housing stock mainly comprises semi-closed (35.7%) and closed-type houses (28.7%), along with a smaller share of open-type houses including farms and castles (18.6%). These traditional housing types reflect the area's building history with many structures dating back to around 1942. Visitors and residents can reach the highway A602 / E25 within two minutes from the town center, and the A15 / E42 is only three minutes away by car.
Public transport options include several bus lines such as the TEC lines 53, 57, 81, 85, and 86 connecting Grâce-Hollogne to neighboring areas and key locations like Liège Airport. Schools are plentiful with nine nurseries, fifteen nursery schools, fifteen primary schools, and a secondary school named Athenee Royal Paul Brusson, supporting families living in detached or semi-detached homes.
Shopping options include multiple supermarkets such as Carrefour, Delhaize, Intermarché, and Aldi, distributed across the commune. For those considering electric vehicles, there is one public charging station available in the area. Despite no bike-sharing or car-sharing schemes currently available, the proximity to main roads and bus lines makes commuting feasible for those relying on conventional or electric vehicles. Liège Airport is accessible within four minutes by car or about 22 minutes via public transport routes.