In 2014 there were 2,511 private households in Jegenstorf with an average household size of 2.23 persons. In 2015 about 63.4% of all buildings in the municipality were single family homes, which is greater than the percentage in the canton (48.4%) and greater than the percentage nationally (57.4%). Of the 858 inhabited buildings in the municipality, in 2000, about 62.4% were single family homes and 22.6% were multiple family buildings. Additionally, about 12.2% of the buildings were built before 1919, while 12.6% were built between 1991 and 2000. In 2013 the rate of construction of new housing units per 1000 residents was 8.74. The vacancy rate for the municipality, , was 5.36%.