are 90 and older. , there were 71 homes with 1 or 2 persons in the household, 426 homes with 3 or 4 persons in the household, and 396 homes with 5 or more persons in the household. The average number of people per household was 2.51 individuals. there were 486 single family homes (or 45.1% of the total) out of a total of 1,078 homes and apartments. In the 2007 federal election the most popular party was the SVP which received 35.6% of the vote. The next three most popular parties were the CVP (23.1%), the FDP (12.2%) and the SP (11.5%). The entire Swiss population is generally well educated. In Birmenstorf about 81% 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 180 students attending primary school, there are 22 students attending secondary school in the municipality. The historical population is given in the following table: Economy , Birmenstorf had an unemployment rate of 1.68%. , there were 129 people employed in the primary economic sector and about 23 businesses involved in this sector. 330 people are employed in the secondary sector and there are 26 businesses in this sector. 328 people are employed in the tertiary sector, with 68 businesses in this sector. there was a total of 1,267 workers who lived in the municipality. Of these, 1,015 or about 80.1% of the residents worked outside Birmenstorf while 395 people commuted into the municipality for work. There were a total of 647 jobs (of at least 6 hours per week) in the municipality. Religion From the , 1,108 or 47.9% are Roman Catholic, while 766 or 33.1% belonged to the Swiss Reformed Church. Of the rest of the population, there are 7 individuals (or about 0.30% of the population) who belong to the Christian Catholic faith. References External links Official homepage of the municipality of Birmenstorf Homepage of the viticulture cooperative