or 24.8% is used for agricultural purposes, while or 64.9% is forested. Of the rest of the land, or 9.2% is settled (buildings or roads), or 0.4% is either rivers or lakes and or 0.6% is unproductive land. Of the built up area, housing and buildings made up 1.9% and transportation infrastructure made up 4.0%. Power and water infrastructure as well as other special developed areas made up 2.8% of the area Out of the forested land, 62.7% of the total land area is heavily forested and 2.1% is covered with orchards or small clusters of trees. Of the agricultural land, 5.9% is used for growing crops and 9.5% is pastures and 9.0% is used for alpine pastures. All the water in the municipality is flowing water. On 31 December 2009 District de Courtelary, 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 Gules on a Base Sable a Glassworks Argent roofed of the second. Demographics La Heutte had a population (as of 2013) of 485. , 11.6% of the population are resident foreign nationals. Over the last 10 years (2000-2010) the population has changed at a rate of -1.6%. Migration accounted for -5.1%, while births and deaths accounted for 4.1%. Most of the population () speaks French (367 or 75.2%) as their first language, German is the second most common (98 or 20.1%) and Spanish is the third (14 or 2.9%). There are 8 people who speak Italian. , the population was 52.6% male and 47.4% female. The population was made up of 226 Swiss men (46.8% of the population) and 28 (5.8%) non-Swiss men. There were 201 Swiss women (41.6%) and 28 (5.8%) non-Swiss women. Of the population in the municipality, 131 or about 26.8% were born in La Heutte and lived there in 2000. There were 207 or 42.4% who were born in the same canton, while 74 or 15.2% were born somewhere else in Switzerland, and 63 or 12.9% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 24% of the population, while adults (20–64 years old) make up 57.8% and seniors (over 64 years old) make up 18.2%. , there were 171 people who were single and never married in the municipality. There were 261