to get to work, and 61.4% used a private car. Religion From the , 618 or 55.9% were Roman Catholic, while 332 or 30.0% belonged to the Swiss Reformed Church. Of the rest of the population, there was 1 individual who belonged to the Christian Catholic faith. Education In Buttwil about 82% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either University or a Fachhochschule). Of the school age population (), there are 128 students attending primary school in the municipality. References Municipalities of Aargau