 The next three most popular parties were the SPS (17.5%), the FDP (13.3%) and the CSP (11.8%).The age distribution of the population () is children and teenagers (0–19 years old) make up 21.2% of the population, while adults (20–64 years old) make up 69.2% and seniors (over 64 years old) make up 9.6%.In Bachenbülach about 67.9% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").