In 2014 there were 1,539 private households in Büren an der Aare with an average household size of 2.20 persons. Of the 733 inhabited buildings in the municipality, in 2000, about 54.8% were single family homes and 19.5% were multiple family buildings. Additionally, about 23.1% of the buildings were built before 1919, while 11.1% were built between 1991 and 2000. In 2013 the rate of construction of new housing units per 1000 residents was 1.45. The vacancy rate for the municipality, , was 1.14%. , there were 445 households that consist of only one person and 70 households with five or more people. , a total of 1,279 apartments (89.3% of the total) were permanently occupied, while 92 apartments (6.4%) were seasonally occupied and 62 apartments (4.3%) were empty.