 The age distribution of the population () is children and teenagers (0–19 years old) make up 16.6% of the population, while adults (20–64 years old) make up 59.1% and seniors (over 64 years old) make up 24.3%.In Zollikon about 85.3% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").There are 5675 households in Zollikon.