Verlaine covers 24.4 km² and has 4,228 inhabitants. The average age is close to 39, and women make up 50.1% of the population. About 83% of residents own their homes. Average net income is €20,414 per year. Nationalities are 96.7% Belgian, 1.3% Italian, 1% French, 0.2% Spanish, 0.1% Afghan, 0.1% Romanian, 0.1% Cameroonian and 0.5% other. The housing stock is predominantly houses: houses account for 92.6% of dwellings, while apartment buildings account for 7.4%. Buildings date on average from 1941, and the average dwelling has about 6.7 rooms.
There are currently 11 houses for sale in Verlaine. The average asking price is €409,045, with listings ranging from €100,000 to €990,000. Across the building stock, 63.6% are open-type houses, farms or castles, 23.4% are semi-closed houses and 4.3% are closed-type houses. Commercial houses represent 1.2% and other building types 0.2%; these figures describe the building stock, not the homes currently listed for sale. The municipality has 1 Delhaize supermarket. Its business sectors include mixed farming, with 25 companies, business and management consultancy with 18, hairdressing and other beauty treatment with 17, landscape services with 16, legal activities with 12 and electrical installation with 11.
For road travel, the A15 / E42, on the La Louvière–Charleroi–Namur–Liège route, has an entrance 3 minutes by car from the centre. Access to the A3 / E25–E40–E42, linking Brussels, Leuven, Liège and Eupen, is 12 minutes away. TEC bus services include line 145 between Huy and Waremme, line 245 between Waremme, Haneffe and Verlaine, line 85 between Liège, Bierset, Stockay, Amay and Huy, line 86 between Jemeppe and Verlaine, and line L1022 between Huy and Waremme. Other listed services bring the total to 9 bus lines. The nearest stations to the town centre are Haute-Flône, Engis, Amay, Momalle and Ampsin.
Families have access to 3 nurseries, 2 nursery schools and 2 primary schools; Verlaine has no secondary school. There is 1 electric-vehicle charging station in the municipality. Shared bicycles and shared cars are not offered. Liège Airport is reachable in 10 minutes by car or 64 minutes by public transport. These local services and connections sit alongside a housing market where houses make up most of the residential stock, with 11 currently listed for sale.