401 inhabited buildings. There were 129 multi-family buildings (32.2%), along with 41 multi-purpose buildings that were mostly used for housing (10.2%) and 19 other use buildings (commercial or industrial) that also had some housing (4.7%). Of the single family homes 13 were built before 1919, while 32 were built between 1990 and 2000. The greatest number of single family homes (47) were built between 1946 and 1960. The most multi-family homes (33) were built between 1946 and 1960 and the next most (32) were built before 1919. There were 2 multi-family houses built between 1996 and 2000. there were 1,035 apartments in the municipality. The most common apartment size was 3 rooms of which there were 419. There were 34 single room apartments and 196 apartments with five or more rooms. Of these apartments, a total of 969 apartments (93.6% of the total) were permanently occupied, while 51 apartments (4.9%) were seasonally occupied and 15 apartments (1.4%) were empty. , the construction rate of new housing units was 35.6 new units per 1000 residents. The vacancy rate for the municipality, , was 0.67%. The historical population is given in the following chart: Politics In the 2007 federal election the most popular party was the SP which received 28.91% of the vote. The next three most popular parties were the SVP (22.11%), the FDP (15.42%) and the Green Party (11.46%). In the federal election, a total of 626 votes were cast, and the voter turnout was 40.3%. Economy , Penthalaz had an unemployment rate of 6.3%. , there were 16 people employed in the primary economic sector and about 7 businesses involved in this sector. 547 people were employed in the secondary sector and there were 29 businesses in this sector. 457 people were employed in the tertiary sector, with 64 businesses in this sector. There were 1,169 residents of the municipality who were employed in some capacity, of which females made up 44.1% of the workforce. the total number of full-time equivalent jobs was 887. The number of jobs in the primary sector was 8, all of which were in agriculture. The number of jobs in the secondary sector was 520 of which 486 or (93.5%) were in manufacturing and 35 (6.7%) were in construction. The number of jobs in the tertiary sector was 359. In the tertiary sector; 112 or 31.2% were in wholesale or retail sales or the