Kaprijke has 6,434 inhabitants across 33.6 km². The average age is 43, and 73% of residents own their homes. Average annual net income per person is €20,167. The population is 97% Belgian, 1.5% Dutch, 0.4% Polish, 0.3% Romanian, 0.1% French, 0.1% Filipino, 0.1% German and 0.5% other nationalities. Women make up 50.4% of residents.
The local housing stock averages 6.2 rooms, compared with a national average of 6, and buildings date on average from around 1958. Its building types are 51.5% detached houses, farms and castles, 23% semi-detached houses, 11.9% terraced houses, 9% apartment buildings, 3.1% commercial houses and 1.6% other types. There are currently 2 houses for sale in Kaprijke. The listed prices range from €385,000 to €500,000, with an average of €442,500.
The A11/E34 entrance towards Antwerpen and Zelzate is 10 minutes by car from the town centre; the A10/E40 towards Brussels, Aalst, Gent, Brugge and Oostende is accessible in 28 minutes. The main roads include the N434, N448 and N456. De Lijn buses serving the municipality include lines 195, 57, 63, 96 and 97; line 57 runs between Gent and Watervliet, while line 96 connects Eeklo, Assenede and Zelzate. The listed station choices are Eeklo, Waarschoot, Sleidinge, Evergem and Wondelgem. No metro or tram service is listed.
For families, Kaprijke has 4 nurseries, including Toverhuisje and De Kleine Kikker, along with 2 nursery schools and 2 primary schools, including Vrije Basisschool - De Hei(R)akker and Vrije Basisschool - De Kap(R)oenen. There is no secondary school in the commune. Delhaize is the supermarket listed locally. No shared bicycles, shared cars or known EV charging stations are listed. Ostend-Bruges International Airport is 82 minutes away by public transport or 50 minutes by car.