 The age distribution of the population () is children and teenagers (0–19 years old) make up 30.4% of the population, while adults (20–64 years old) make up 55.7% and seniors (over 64 years old) make up 13.8%.In Unterstammheim about 84.3% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").Unterstammheim has an unemployment rate of 1.54%.