Lierde has 6,616 inhabitants within 26.3 km². The average age is 43, men represent 50.3% of residents, and 85% of inhabitants are homeowners. Average net income per person is €20,447 a year. Recorded nationalities are 98.7% Belgian, 0.3% Dutch, 0.1% Romanian, 0.1% Polish, 0.1% Congolese, 0.1% Italian, 0.1% Russian and 0.5% other. The average dwelling has 6.4 rooms, and the average building age is around 1949. There are currently 0 houses listed for rent in the municipality; the supplied monthly rental figure is €0.
The general building stock is 94.9% houses and 5.1% apartment buildings. Its building types include 41.6% detached houses, farms or castles, 33.4% semi-detached houses, 13.8% terraced houses, 4.8% apartment buildings or blocks, 4.3% other buildings and 2.1% commercial houses. These figures describe buildings in Lierde, not the number or mix of rental homes. For comparison within the current listings, 6 houses are for sale, with prices from €199,000 to €445,000 and an average of €327,833.
The municipality’s main roads are the N8, N42c, N42 and N493. Central Lierde is 19 minutes from access to the A8 / E429–E42, which runs towards Halle, Tournai and Lille, and 21 minutes from the A10 / E40 towards Brussels, Aalst, Ghent, Bruges and Ostend. De Lijn bus lines stopping in Lierde include 13, 16, 17, 370 and 410. The nearest stations to the centre are Lierde, Schendelbeke, Geraardsbergen / Grammont, Zottegem and Idegem. The transport information lists bus services and stations, but no metro or tram routes.
There are 2 nurseries in the municipality, including Speelkriebels 2 and Jürgen En Leen, as well as 4 nursery schools and 2 primary schools. Named examples include Gemeentelijke Kleuterschool - 'T Kapoentje, Vrije Basisschool - De Kei and Vrije Basisschool. Lierde has no secondary school. The listed local businesses include 39 in mixed farming, 33 in hairdressing and other beauty treatment, 27 in joinery installation, 23 in landscape services, 21 in residential and non-residential construction and 17 in business and management consultancy. There are no shared bicycles or shared cars listed, and no known EV charging station. Wevelgem Airport is 46 minutes away by car, or 108 minutes by public transport.