trees. Of the agricultural land, 9.6% is used for growing crops and 13.2% is pastures and 21.0% is used for alpine pastures. All the water in the municipality is flowing water. The municipality is located in the Grand Val (valley of Moutier), but some scattered houses are located on a part of Mont Raimeux. On 31 December 2009 District de Moutier, the municipality's former district, was dissolved. On the following day, 1 January 2010, it joined the newly created Arrondissement administratif Jura bernois. Coat of arms The blazon of the municipal coat of arms is Per fess Gules and Or a Letter G counterchanged. Demographics Grandval has a population () of . , 5.7% of the population are resident foreign nationals. Over the last 10 years (2001-2011) the population has changed at a rate of -2.9%. Migration accounted for -2.9%, while births and deaths accounted for -0.3%. Most of the population () speaks French (315 or 85.6%) as their first language, German is the second most common (44 or 12.0%) and Italian is the third (3 or 0.8%). There is 1 person who speaks Romansh. , the population was 49.1% male and 50.9% female. The population was made up of 158 Swiss men (45.1% of the population) and 14 (4.0%) non-Swiss men. There were 172 Swiss women (49.1%) and 6 (1.7%) non-Swiss women. Of the population in the municipality, 104 or about 28.3% were born in Grandval and lived there in 2000. There were 141 or 38.3% who were born in the same canton, while 76 or 20.7% were born somewhere else in Switzerland, and 33 or 9.0% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 17.9% of the population, while adults (20–64 years old) make up 63.2% and seniors (over 64 years old) make up 18.8%. , there were 158 people who were single and never married in the municipality. There were 166 married individuals, 31 widows or widowers and 13 individuals who are divorced. , there were 42 households that consist of only one person and 11 households with five or more people. , a total of 136 apartments (84.0% of the total) were permanently occupied, while 20 apartments (12.3%) were seasonally occupied and 6 apartments (3.7%) were empty. , the construction rate of new housing units was 2.9 new units per 1000 residents. In 2011, single family homes made up 54.0%