total of 452 households that answered this question, 29.6% were households made up of just one person and there were 2 adults who lived with their parents. Of the rest of the households, there are 113 married couples without children, 159 married couples with children There were 23 single parents with a child or children. There were 7 households that were made up of unrelated people and 14 households that were made up of some sort of institution or another collective housing. there were 123 single family homes (or 48.0% of the total) out of a total of 256 inhabited buildings. There were 60 multi-family buildings (23.4%), along with 58 multi-purpose buildings that were mostly used for housing (22.7%) and 15 other use buildings (commercial or industrial) that also had some housing (5.9%). Of the single family homes 38 were built before 1919, while 5 were built between 1990 and 2000. The most multi-family homes (32) were built before 1919 and the next most (7) were built between 1919 and 1945. There was 1 multi-family house built between 1996 and 2000. there were 547 apartments in the municipality. The most common apartment size was 3 rooms of which there were 169. There were 23 single room apartments and 161 apartments with five or more rooms. Of these apartments, a total of 437 apartments (79.9% of the total) were permanently occupied, while 79 apartments (14.4%) were seasonally occupied and 31 apartments (5.7%) were empty. , the construction rate of new housing units was 7.4 new units per 1000 residents. The vacancy rate for the municipality, , was 0%. The historical population is given in the following chart: Sights The entire urban village of Granges-près-Marnand is designated as part of the Inventory of Swiss Heritage Sites. Politics In the 2007 federal election the most popular party was the SVP which received 28.29% of the vote. The next three most popular parties were the FDP (25.04%), the SP (19.03%) and the Green Party (12.76%). In the federal election, a total of 327 votes were cast, and the voter turnout was 45.5%. Economy , Granges-près-Marnand had an unemployment rate of 4.2%. , there were 79 people employed in the primary economic sector and about 16 businesses involved in this sector. 440 people were employed in the secondary sector and there were 18 businesses in this sector. 224 people were employed in the tertiary sector,