 The age distribution of the population () is children and teenagers (0–19 years old) make up 22.1% of the population, while adults (20–64 years old) make up 63.1% and seniors (over 64 years old) make up 14.8%.In Seuzach about 83.7% 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 2722 households in Seuzach.