Apartments are the more common dwelling type in Knokke-Heist: apartment buildings account for 75.2% of dwellings, compared with 24.8% for houses. Across all buildings, 72.7% are buildings and flat blocks; 9.7% are open-type houses, farms or castles; 8.3% are closed-type houses; 6% are semi-closed-type houses; 2.3% are other types; and 1% are commercial houses. The average building year is 1974, and homes have about 5.2 rooms on average. There are 35 flats for sale, priced at an average of €914,041. Current asking prices range from €250,000 to €2,479,500.
The municipality covers 61.4 km² and has 33,126 residents. The average age is 52, and 51.9% of residents are women. Homeowners account for 62% of residents, while average net income per person is €25,575 a year. The nationality mix is 92% Belgian, 2.3% Romanian, 1.5% Dutch, 0.5% Polish, 0.4% Italian, 0.4% French, 0.3% Portuguese and 2.6% other. The N34, N49, N49c, N49d and N300 pass through Knokke-Heist. From the centre, the A10/E40 takes 21 minutes by car to reach, and the A17/E403 takes 24 minutes.
The Kusttram is De Lijn line 0, serving the route between De Panne, Oostende and Knokke. There are 7 bus lines in the municipality. The listed services include line 12, Centrum-Station-Katelijneparking; line 26, Sint-Truiden–Engelmanshoven–Heers–Oreye; line 3, Hasselt–Wellen–Borgloon–Heers; line 41, Sint-Truiden–Jeuk; and line 42, Landen–Montenaken–Sint-Truiden. Nearby railway stations are Duinbergen, Knokke, Heist, Zeebrugge-Dorp and Zeebrugge-Strand. Families have 8 nurseries, 11 nursery schools, 13 primary schools and 12 secondary schools to choose from locally. Named examples include Clara Di Luna, Vbs De Driemaster, Gemeentelijke Basisschool De Pluim and Go! Atheneum Eureka.
For groceries, Knokke-Heist has 5 Delhaize, 4 Carrefour and 2 Aldi stores, plus 1 Albert Heijn, 1 Louis Delhaize, 1 Lidl and 1 Colruyt. Blue-bike rental is available at 2 stations, and there are 14 electric-vehicle charging stations. Shared cars are not offered in the municipality. Ostend-Bruges International Airport can be reached in 38 minutes by car or 72 minutes by public transport. The average is 1.1 cars per household, compared with the national average of 1.3. With 35 flats currently listed for sale, the apartment market has a broad spread between the lowest and highest asking prices given for Knokke-Heist.