 The next three most popular parties were the SPS (20.8%), the FDP (13.8%) and the CSP (9.7%).The age distribution of the population () is children and teenagers (0–19 years old) make up 20.5% of the population, while adults (20–64 years old) make up 65.3% and seniors (over 64 years old) make up 14.2%.In Dietlikon about 75.9% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").