or 10.4% of the population are between 0 and 9 years old and 692 teenagers or 11.1% are between 10 and 19. Of the adult population, 852 people or 13.6% of the population are between 20 and 29 years old. 909 people or 14.6% are between 30 and 39, 1,069 people or 17.1% are between 40 and 49, and 834 people or 13.4% are between 50 and 59. The senior population distribution is 648 people or 10.4% of the population are between 60 and 69 years old, 383 people or 6.1% are between 70 and 79, there are 180 people or 2.9% who are between 80 and 89, and there are 29 people or 0.5% who are 90 and older. , there were 358 homes with 1 or 2 persons in the household, 1,283 homes with 3 or 4 persons in the household, and 623 homes with 5 or more persons in the household. The average number of people per household was 2.12 individuals. there were 549 single family homes (or 18.2% of the total) out of a total of 3,015 homes and apartments. There were a total of 115 empty apartments for a 3.8% vacancy rate. , the construction rate of new housing units was 2.8 new units per 1000 residents. In the 2007 federal election the most popular party was the SVP which received 31.8% of the vote. The next three most popular parties were the SP (21.1%), the CVP (16.3%) and the FDP (12.7%). In Bremgarten about 69.1% 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 475 students attending primary school, there are 186 students attending secondary school, there are 492 students attending tertiary or university level schooling in the municipality. Historic Population The historical population is given in the following chart: Heritage sites of national significance There are nine sites in Bremgarten that are listed as Swiss heritage sites of national significance. Before the 2014 merger with Hermetschwil-Staffeln, seven were in Bremgarten while two came from Hermetschwil-Staffeln. There are two government or administration buildings, the former Muri-Amthof at Antonigasse 2 as well as the addition to the Muri-Amthof at Antonigasse 4. Two churches are on the list, the Roman Catholic City Church with St. Klara Chapel, and the St. Anna Chapel together with the